Inspiring: Tech for Good News Stories
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When Mount Saint Helens in southwestern Washington erupted on the morning of May 18, 1980, the stratovolcano spewed a plume of debris high into the earth’s atmosphere and spread ash to at least eleven nearby states. But despite the appearance of a mountain-side extinction event, life was already regenerating. Just 10 days after the eruption, the geomorphologist Fredrick Swanson surveyed one of the lahars with colleagues and noticed something intriguing. In the rubble, fine, filament-like threads had attached themselves to some of the smaller pebbles and stones cast out of the volcano’s center. What Swanson was witnessing was the phenomenon of “phoenicoid fungi,” aptly named in a nod to the mythical phoenix rising from the ashes. Fungal organisms such as these are often the first responders to blast zones and wildfire burn areas where the decomposing landscape serves as a smorgasbord for their biological needs. The fungi used for environmental clean-up come in a variety of shapes and sizes. Oyster mushrooms ... can break down petroleum and hydrocarbons, putting them top of the list when it comes to cleaning up deadly oil spills. A 2023 study conducted in Massachusetts, commissioned by MassDOT, found that there could be benefits to integrating mycelium into the state’s pre-existing stormwater management infrastructure to serve as a filtration system to improve water quality.
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It wouldn’t be wrong to say Sam Shoemaker crossed the ocean on a mushroom. This August, the Californian artist launched his 14-foot kayak off Catalina Island and paddled for 12 hours across the 26.5-mile Catalina Channel to San Pedro. The brownish-white boat itself [was] “a boat made entirely from a single mushroom growing outside my studio,” Shoemaker explains — the world’s largest mushroom boat. He built it from wild Ganoderma polypore collected near his LA studio, propagated in a hemp-and-sawdust substrate for about four weeks, molded into kayak form and dried until it became “a strong, hydrophobic and inert, cork-like material.” Mycelium, the interconnected root network of a fungus such as Ganoderma polypore, can grow to hundreds of acres. The boat was sealed with locally sourced beeswax, using no synthetic materials. Shoemaker’s multiyear project wasn’t commercial — he is simply interested in demonstrating mushrooms’ potential. His invention is part of AquaFung, a term coined — and a movement inspired — by artist Phil Ross that hopes to one day replace Styrofoam and other materials that go into water with fungi, as part of the nonprofit Open Fung. In their quest, Shoemaker and Ross are members of a sprouting global community of artists, engineers, high-end designers and environmentalists, intent on producing sustainable inventions from mushrooms. For Ross, mycelium is not just a material but a mystery and companion.
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While trying to come up with a pesticide solution to kill off bollworms, Dr Robert Mensah had his eureka moment. It was the 90s, and in Australia bollworms were devastating cotton farms. He experimented and eventually came up with a simple food spray, “a mixture of food ingredients, yeast and sugar-based, diluted in water and applied to crops. It emits an odour which is picked up by beneficial predatory insects and attracts them to the fields where they kill pests.” It was the beginning of an international grassroots campaign, in which Mensah has worked with various charities to teach people about this sustainable farming method. Ever since the dangerous side effects of pesticides became widely known, alternatives have been sought. This approach to farming, which reduces our reliance on pesticides, is called integrated pest management. In 2005, Mensah took food sprays to Benin, where the Pesticide Action Network (PAN UK) was helping farmers transition to organic farming. There, the misuse of chemical pesticides was seriously damaging people’s health. The food sprays – cheap, safe and effective – caught on with farmers in Benin where thousands now use the technique. From there, Mensah took food sprays to southern Ethiopia, where they were also trialled successfully on vegetables ... and then to Vietnam where they were used successfully on maize. Another charity, Better Cotton, is now trialling food sprays in India ... where they’ve trained 214,000 farmers to use sprays.
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Collaborating with robotics engineers and Italian 3D printer manufacturers, a Japanese company is building “homes of earth” made primarily from soil. Lib Work, Ltd. completed their first 3D-printed earth home in Yamaga, Kumamoto on July 22, calling their creative process “uncharted territory where tradition and convention offered no guide”. With an eye toward recycling, sustainability, and reduced carbon emissions, Lib Work focused on combining 3D-printing with natural materials enhanced for strength, constructibility, and design quality. The walls of the completed Lib Earth House Model B use no cement (which produces industrial waste). Instead, they utilized only naturally derived materials with soil as the primary component to create sustainable earthen walls. Compared to the previous model (Model A) that used some cement, the building’s strength has improved approximately fivefold while significantly reducing CO2 emissions from the manufacturing process itself. The walls contain cutting-edge sensors as part of a wall condensation monitoring system that monitors in real-time the temperature and humidity inside the walls. This system enables the house to manage its own condition by detecting condensation in advance to maintain a long-lasting, comfortable living environment. Additionally, the homes include remote operation of air conditioning, lighting, and bath controls via smartphone or dedicated monitor. It also features an off-grid energy system.
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The idea that American health insurance companies are using AI to analyze and adjudicate claims for approval or denial sounds terrifying, but one North Carolinian is using AI to fight back. When Raleigh resident Neal Shah had a claim denied for his wife’s chemotherapy drugs, he thought it was rare, that he was the only one, that it was just bad luck. Litigating his case on phone calls that lasted for hours changed the husband and father, and he set about creating a sophisticated app that uses artificial intelligence to compare claims denial forms against health insurance contracts, before automatically drafting an appeal letter. “For a doctor to write this, it’s not rocket science, but it still takes hours,” Shah told ABC News 11, adding that a well-written appeal letter, sent in immediately, can sometimes get denials reversed within days or weeks, but most people either don’t know they can appeal, or don’t know on what grounds they can appeal. In fact, according to Shah’s research, 850 million claims denials occur every year, and less than 1% are ever appealed. That’s where Counterforce Health comes in, a startup that’s created a free-to-use app for claims denials. For Counterforce Health, Shah brought onboard Riyaa Jadhav, a Jill of all trades who has helped grow and expand the undertaking. Together, they’ve built Counterforce to the point where it boasts a 70% success rate in appealing claims.
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Audrey Tang ... is determined that digital technology will once again become a force for good – a supreme listening tool for humanity, bringing us together by celebrating difference and uniting over what we have in common. Tang spent eight years in Taiwan’s government (the last two as the world’s first minister of digital affairs), putting her theory into practice – and it has worked, from a fantastically efficient response to Covid to countering misinformation about electoral fraud. In 2012, she was part of the digital community that created g0v, pronounced Gov Zero. The project ran in parallel with the official government and was there to support it, even if ministers didn’t initially think so. Through g0v, government websites were examined and rewritten to make them more comprehensible and reachable. “We created a parallel web around which citizens could have a normal conversation. For example, when we did the ministry of education dictionary project, we copied everything from the official website, but turned it into something more accessible.” The thinking is simple, she says: the more clearly information is displayed, the more people will know, and the easier it becomes to have a conversation about what is and isn’t working in a democracy. After g0v came vTaiwan, an online forum allowing people to discuss and petition on issues of public interest. Once there were 5,000 signatures, the petition was taken to the government to be addressed.
Note: Read more about how vTaiwan is changing the game. Explore more positive stories like this on healing social division and technology for good.
Companies such as Experian, Equifax, and TransUnion are able to store huge quantities of our personal data and profit from it in a way that doesn’t always benefit us. And when those same companies lose our personal data and make us susceptible to identity theft, there’s virtually nothing we can do about it. Several organizations are working on returning the value of your data to you, such as the state of Illinois’ pilot to test a blockchain-based birth registry/ID system. Taking this idea one step further, when you are the sole owner of your personal data on purchases, online browsing history, or mobile data, you can also choose whether or not to “sell” your own data, with rights and restrictions using smart ledgers. This could shift the power of (and profit from) data management from big, established firms back to individual users. This would also shift the responsibility. If you lost your cryptographic “keys,” then they would be truly lost and you would have to build your identity again. Equifax and others have shown the weakness of central databases in the hands of a single firm. Mutual distributed ledger systems have the potential to provide us with identity and activity management, even permitting us to make a market selling information about ourselves, taking control and cash back from companies like Equifax. There will certainly be mistakes along the way, but how can we truly object to reclaiming control of our most private property — our personal data?
Note: This article is also available here. Watch our 13 minute video on the promise of blockchain technology. Explore more positive stories like this on reimagining the economy and technology for good.
The fusion of artificial intelligence (AI) and blockchain technology has generated excitement, but both fields face fundamental limitations that can’t be ignored. What if these two technologies, each revolutionary in its own right, could solve each other’s greatest weaknesses? Imagine a future where blockchain networks are seamlessly efficient and scalable, thanks to AI’s problem-solving prowess, and where AI applications operate with full transparency and accountability by leveraging blockchain’s immutable record-keeping. This vision is taking shape today through a new wave of decentralized AI projects. Leading the charge, platforms like SingularityNET, Ocean Protocol, and Fetch.ai are showing how a convergence of AI and blockchain could not only solve each other’s biggest challenges but also redefine transparency, user control, and trust in the digital age. While AI’s potential is revolutionary, its centralized nature and opacity create significant concerns. Blockchain’s decentralized, immutable structure can address these issues, offering a pathway for AI to become more ethical, transparent, and accountable. Today, AI models rely on vast amounts of data, often gathered without full user consent. Blockchain introduces a decentralized model, allowing users to retain control over their data while securely sharing it with AI applications. This setup empowers individuals to manage their data’s use and fosters a safer, more ethical digital environment.
Note: Watch our 13 minute video on the promise of blockchain technology. Explore more positive stories like this on reimagining the economy and technology for good.
Certain kinds of gut microbes absorb toxic Pfas “forever chemicals” and help expel them from the body via feces, new first-of-its-kind University of Cambridge research shows. The findings are welcome news as the only options that exist for reducing the level of dangerous Pfas compounds from the body are bloodletting and a cholesterol drug that induces unpleasant side effects. The microbes were found to remove up to 75% of some Pfas from the gut of mice. Several of the study’s authors plan to develop probiotic dietary supplements that boost levels of helpful microbes in the human gut, which would likely reduce Pfas levels. “If this could be used in humans to create probiotics that can help remove Pfas from the body then this would be a nicer solution in that it wouldn’t have so many side effects,” said Anna Lindell, Cambridge doctoral student and a co-author of the study. Pfas are a class of about 15,000 compounds most frequently used to make products water-, stain- and grease-resistant. They have been linked to cancer, birth defects, decreased immunity, high cholesterol, kidney disease and a range of other serious health problems. They are dubbed “forever chemicals” because they do not naturally break down in the environment. The microbes [in the study] largely addressed “long-chain” Pfas, which are larger compounds and more dangerous than smaller “short chains” because they stay in the body longer.
Note: Explore more positive stories like this in our comprehensive healing our bodies and technology for good.
Negative or fear-framed coverage of AI in mainstream media tends to outnumber positive framings. The emphasis on the negative in artificial intelligence risks overshadowing what could go right — both in the future as this technology continues to develop and right now. AlphaFold, which was developed by the Google-owned AI company DeepMind, is an AI model that predicts the 3D structures of proteins based solely on their amino acid sequences. That’s important because scientists need to predict the shape of protein to better understand how it might function and how it might be used in products like drugs. By speeding up a basic part of biomedical research, AlphaFold has already managed to meaningfully accelerate drug development in everything from Huntington’s disease to antibiotic resistance. A timely warning about a natural disaster can mean the difference between life and death. That is why Google Flood Hub is so important. An open-access, AI-driven river-flood early warning system, Flood Hub provides seven-day flood forecasts for 700 million people in 100 countries. It works by marrying a global hydrology model that can forecast river levels even in basins that lack physical flood gauges with an inundation model that converts those predicted levels into high-resolution flood maps. This allows villagers to see exactly what roads or fields might end up underwater. Flood Hub ... is one of the clearest examples of how AI can be used for good.
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The blockchain is a revolution that builds on another technical revolution so old that only the more experienced among us remember it: the invention of the database. IBM’s database model stood unchanged until about 10 years ago, when the blockchain came into this conservative space with a radical new proposition: What if your database worked like a network — a network that’s shared with everybody in the world, where anyone and anything can connect to it? Blockchain experts call this “decentralization.” Decentralization offers the promise of nearly friction-free cooperation between members of complex networks that can add value to each other by enabling collaboration without central authorities and middle men. In a world without middle men, things get more efficient in unexpected ways. A 1% transaction fee may not seem like much, but down a 15-step supply chain, it adds up. These kinds of little frictions add just enough drag on the global economy that we’re forced to stick with short supply chains and deals done by the container load, because it’s simply too inefficient to have more links in the supply chain and to work with smaller transactions. The decentralization that blockchain provides would change that, which could have huge possible impacts for economies in the developing world. Any transformation which helps small businesses compete with giants will have major global effects.
Note: This article is also available here. Watch our 13 minute video on the promise of blockchain technology. Explore more positive stories like this on reimagining the economy and technology for good.
Look at the modus operandi of today’s internet giants — such as Google, Facebook, Twitter, Uber, or Airbnb — and you’ll notice they have one thing in common: They rely on the contributions of users as a means to generate value within their own platforms. All of the profits are captured by the large intermediaries who operate the platforms. Recently, a new technology has emerged that could change this imbalance. Blockchain facilitates the exchange of value in a secure and decentralized manner, without the need for an intermediary. With a blockchain, software applications no longer need to be deployed on a centralized server: They can be run on a peer-to-peer network that is not controlled by any single party. These blockchain-based applications can be used to coordinate the activities of a large number of individuals, who can organize themselves without the help of a third party. Blockchain technology is ultimately a means for individuals to coordinate common activities, to interact directly with one another, and to govern themselves in a more secure and decentralized manner. New forms of organizations ... which have no director or CEO, or any sort of hierarchical structure — are administered, collectively, by all individuals interacting on a blockchain. And since there is no intermediary operator, the value produced within these platforms can be more equally redistributed among those who have contributed to the value creation.
Note: This article is also available here. Watch our 13 minute video on the promise of blockchain technology. Explore more positive stories like this on reimagining the economy and technology for good.
Could baby poop and fungi work together to tackle landfill waste? That's the idea behind a new product launched by an Austin, Texas-based startup that sells disposable diapers paired with fungi intended to break down the plastic. Each of Hiro Technologies' MycoDigestible Diapers comes with a packet of fungi to be added to the dirty diaper before it is thrown in the trash. After a week or two, the fungi are activated by moisture from feces, urine and the environment to begin the process of biodegradation. An estimated 4 million tons of diapers were disposed of in the United States in 2018, with no significant recycling or composting. Diapers take hundreds of years to naturally break down. That means the very first disposable diaper ever used is still in a landfill somewhere. To tackle this, Hiro Technologies turned to fungi. These organisms - which include mushrooms, molds, yeasts and mildew - derive nutrients from decomposing organic matter. In 2011, Yale University researchers discovered a type of fungus in Ecuador that can feed on polyurethane, a common polymer in plastic products. They figured the fungus, Pestalotiopsis microspora, would be capable of surviving on plastic in environments lacking oxygen, like landfills. Hiro Technologies co-founder Tero Isokauppila, a Finnish entrepreneur who also founded medicinal mushroom company Four Sigmatic, said there are more than 100 species of fungi now known to break down plastics.
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Hemp is one of the most sustainable materials available to manufacturers because it's cheap to grow, uses little water, doesn't need any toxic pesticides, and can absorb more carbon than trees. Hemp batteries have their own advantages, too. These batteries use lighter and more widely available materials like sulfur, boron, and hemp instead of the heavy metals used in traditional lithium-ion batteries. Some EVs use a device called a supercapacitor, which stores energy through static electricity rather than a chemical reaction, like in conventional batteries. In these batteries, a material called graphene is used. But graphene is expensive. To create ... "cannabis cars," scientists use hemp bark — a waste product created by cannabis plants — and cooked it to make a substance that resembles graphene. Hemp lasts longer than graphene. It also stores more power and is easy to source. Son Nguyen, Bemp Research's founder, told EnergyTech that the company's lithium-sulfur battery can help solve shortages in the EV battery supply chain. "Sulfur is very abundant. Boron is also relatively abundant, with the biggest boron mine being in California," Nguyen said. "Being an American company, our focus right now is to make batteries for American electric vehicles, and we do not see any supply chain problems. Bemp batteries are less reliant on rare earth metals from around the globe and thus will help U.S. national security."
Note: Read about why architects are choosing hemp walls for their superior insulation, resistance to mold and moisture, and environmentally friendly, biodegradable design. Explore more positive stories like this on technology for good.
California has introduced a first-in-the-nation online public platform to help bridge silos. The platform, called Engaged California (EC), enables and encourages the direct engagement of citizens with government and with each other. Engaged California is not glorified polling and is more than a town hall gathering. It is a three-way tool that enables policymakers and administrators to listen at scale to average citizens outside of election cycles and be responsive; it invites citizens to directly voice their concerns and proposals on an ongoing basis; and it is a platform for Californians from all walks of life to interact with each other to find common ground. Audrey Tang ... helped craft California’s program ... modeled on the pioneering online deliberative platform she created as Taiwan’s first digital minister. Tang’s vTaiwan platform engages thousands of citizens at a time to weigh in on social issues or policy propositions. In essence, as each participant formulates a position on an issue, others chime in with their own versions. Extreme positions fall to the margins with minimal support, and more consensus views aggregate in the middle. In turn, legislators, parties and administrators can formulate policies in full knowledge of where the public stands. Housed in the state’s Office of Data and Innovation, Engaged California is meant to become a permanent feature of governance going forward that will be used for the public to deliberate a range of concerns and proposals
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For 4.4 billion people, the only water available is unsafe to drink. In the early 1990s, I was working as a physicist at Lawrence Berkeley National Laboratory ("Berkeley Lab") when I heard about a devastating cholera outbreak in my home country. I started to study waterborne pathogens with the aim to develop a new way to make water drinkable that would be affordable and effective in rural areas of low income countries. In a short few years, and later on with funding support from the Energy Department and the U.S. Agency for International Development, I came up with an invention — the UV Waterworks — that met all my goals. It was inexpensive, efficient, portable and effective. Roughly the size of a microwave, the device sanitizes water using UV light to kill harmful bacteria, viruses and molds. It can purify approximately four gallons of water per minute and provide a year's worth of potable drinking water for just seven cents per person. The University of California, which runs the lab, filed the initial patent. I helped found WaterHealth International, which exclusively licensed the UV Waterworks technology from the university in 1996. In the time since, the invention has benefited tens of million people across India and Africa. Roughly 80% of our customers live below the poverty line in their home countries.
Note: Read about the ecologist who used sunlight, plants, and pond life to turn toxic sewage into clean drinking water—proving that nature can heal what industry has broken. Explore more positive stories like this on technology for good.
Within sight of northern Germany’s windswept beaches, specialized clearance teams have been trawling the seafloor for the kind of catch that fishermen in these parts usually avoid—discarded naval mines, torpedoes, stacks of artillery shells, and heavy aerial bombs, all of which have been rusting away for nearly 80 years. For much of September and October 2024, underwater vehicles, fitted with cameras, powerful lights, and sensors, have been hunting for World War II–era explosives purposefully sunk in this region of the Baltic Sea. Tons upon tons of German munitions were hastily dumped at sea under orders from the Allied powers at the end of World War II, who sought to dispose of the Nazis’ arsenal. The clearance work last year was part of a first-of-its-kind project to explore ways to clear up this toxic legacy of war. “Conventional munitions are carcinogenic, and the chemical munitions are mutagenic, and also they disrupt enzymes and whatnot—so they are definitely affecting organisms,” says Jacek Bedowski, a leading expert on underwater munitions dumps. The next stage of the pilot project, also now underway, is building a floating munitions-disposal facility that could incinerate the aging explosives near the dump sites. That would eliminate the need to bring the ordnance above water ... and ship it overland. Longer term, the dream is to have unmanned underwater vehicles map, scan, and magnetically image the seabed to get a sense of what lies where.
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What if your heating and cooling worked during power outages, and you could count on it becoming more efficient and climate-friendly over time? That's the promise of district heating and cooling or district energy, where entire communities share a heating and cooling system. That allows them to tap into many low-carbon energy sources they couldn't before, more efficiently than any individual building could. As governments look to tackle carbon emissions from buildings — the third largest source in Canada behind the oil and gas industry and transportation — it's an idea that more of them are considering and implementing. Peter Ronson is chief operating officer for Markham District Energy (MDE), a network in a Toronto suburb that heats and cools 14 million square feet in more than 200 buildings, including condo buildings up to 44 storeys tall, a hospital, data centres, hotels and two schools. Some, like the data centres, produce a lot of heat, while others may use lots of hot water. "We got all sorts of stuff on the system," Ronson said. "When [some are] throwing away energy, I can recover and give it to somebody else." That kind of heat-sharing is efficient. Excess heat in the system can also be stored (underground in water or rock, for example) ... and much more cheaply than electricity. All that means converting buildings that burn fossil fuels to district energy can potentially put less strain on the grid than electrifying individual buildings using heat pumps or baseboard heating.
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A team of researchers searching for safe, sustainable, and biodegradable alternatives to plastics presented a new type of transparent material at the American Chemical Society (ACS) spring meeting. Unlike previous transparent “wood” designs that sacrifice some biodegradability for strength by including certain types of plastics, the team said its eco-friendly see-through material is made with all natural components. Potential applications for the plastic alternative include electronic device screens, wearable sensors, coatings on solar cells, and transparent wood windows. Bharat Baruah, a professor of chemistry ... said his woodworking hobby led him to research efforts to create transparent wood. He quickly discovered that successfully created transparent wood materials were enhanced with epoxy, a type of plastic, to increase its strength, sacrificing some biodegradability. The professor decided he should see if there were better alternatives. After enlisting Ridham Raval, a Kenneshaw State undergraduate student, to help, the duo used a vacuum chamber, sodium sulfite, sodium hydroxide, and bleach to remove lignin and hemicellulose, two of wood’s three components, from a sample of balsa wood. What remained was a paper-like layer of cellulose filled with tiny pores. Instead of refilling the pores with epoxy, the team soaked the cellulose layer in a mixture of egg whites and rice extract. They were “left with semi-transparent slices of wood that were durable and flexible.”
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Researchers at ETH Zurich have designed a sustainable method to extract gold from electronic waste using a byproduct of cheese production. Electronic devices, from smartphones to laptops, contain small amounts of gold due to its excellent conductivity and resistance to corrosion. With the rapid turnover of electronic gadgets, e-waste has become the fastest-growing waste stream globally, reaching 62 million tonnes in 2022, and only 22.3 percent of this was formally collected and recycled, leaving vast amounts of valuable materials unused. Professor Raffaele Mezzenga and scientist Mohammad Peydayesh led the ETH Zurich team in developing a method that utilizes “whey”, the liquid byproduct of cheese-making. By processing whey proteins into amyloid fibrils, they created a sponge-like aerogel capable of selectively absorbing gold ions from acidic solutions derived from e-waste. Professor Mezzenga stated, "The fact I love the most is that we're using a food industry byproduct to obtain gold from electronic waste. You can't get much more sustainable than that!" In laboratory tests, this aerogel successfully extracted gold from dissolved computer motherboards. The sponge drew out gold that was about 90.8 percent pure, yielding a 22-carat nugget weighing approximately 450 milligrams. The research team is also exploring the use of other food industry byproducts, like pea protein and fish collagen, to diversify the sources of the aerogel. The process is economically viable, with operational costs significantly lower than the market value of the recovered gold, unlike traditional gold extraction techniques that rely on toxic chemicals like cyanide.
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