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  • Cleaning up Cambodia's kitchens could curb deforestation, climate change

    In Cambodia 2.5 million people use stoves fueled by forest biomass; charcoal and wood. The emissions caused by using biomass are extremely harmful not only to people but also to the environment. The emissions caused by biomass globally are equal to those of the aviation industry. To counter the problem, several organizations and companies are providing alternatives for Cambodian families like electric stoves. One company, Khmer Green Charcoal, created stoves that run on “clean” charcoal made from coconut shells. More than 6,500 households across the country have made the transition.

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  • Why ‘tiny forests' are popping up in big cities

    In Europe, India, and other countries like the Netherlands tiny forests are being deployed to fight the effects of climate change. The small forests, some about the size of a parking lot or a basketball court, can help cities mitigate rising temperatures and sequester carbon. In the Netherlands, 144 tiny forests have been planted. A study that analyzed 11 tiny forests showed these forests hosted more than 600 animal species and close to 300 plant species.

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  • The search for the Dr. Fauci of climate change

    The key to delivering more comprehensive medical care might involve 'climate medicine.' The purpose of climate medicine involves educating doctors about how to approach the treatment of people affected by the changing environment--think respiratory issues, for example. The first ever fellowship involving climate-focused medical education for doctors came about in 2017, with the aim of embedding those doctors within federal agencies dealing with climate change.

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  • The force that could redraw the peninsula of India

    In the South Indian coast, erosion is leading to disappearing beaches. A study found that this erosion was in part due to man-made structures like a harbor that was built in the late 80s, groynes, and seawalls. These structures were interfering with the natural movement of sand. To fix it, they needed a structure that could block waves but also allow sand movement, the solution? An artificial reef. It was installed and some beaches are already seeing the results.

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  • Indian Cities Prepare for Floods with Predictive Technology

    In coastal cities in India, floods have led to hundreds of deaths and millions of people being displaced. To address the issue, scientists had to address a variety of factors: hydrology of the upstream region; river, tidal, and storm surge modeling; and a high-resolution digital elevation map of the city. A group of scientists from 13 research institutes and government organizations looked at all those factors and came up with a real-time flood forecasting system. It generated 800 flood scenarios. When it rains the model predicts the most vulnerable sites.

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  • Boise Is Tapping Into Free, Sustainable Energy - and Other Cities Could Follow Suit

    In the late 1800s a local water company found hot springs in Boise. They decided to build pipes and transport the water to some nearby homes and towns to heat them, creating a geothermal heating system. In the 1980s, the city replicated this model at a larger scale. Water from a naturally hot aquifer flowed through pipes heating 100 large buildings Downtown, equivalent to more than 6 million square feet. Geothermal heating is completely clean, it requires no fossil fuels. Currently, there's only 23 geothermal districts in America. However, one study estimates that by 2050 there could be 17,500.

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  • A ski company built a power plant fueled by methane. It's a success, but can it be replicated?

    A ski company and oil and gas executive were able to work out a deal to turn the Elk Creek Mine into a power plant that puts out 24 million kilowatt hours a year and prevents hundreds of billions of methane each year from escaping into the atmosphere. The plant hasn’t made a profit yet for its investors and regulatory red tape could make it difficult to implement in other places, but officials say the plant has been successful and could be a way to combat climate change.

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  • How Vancouver is protecting itself from future flooding — with plants

    Large cities like Vacounver and Seattle are increasingly leaning towards "green infrastracture," a method of managing stormwater through natural systems like green roofs and rain gardens that absorb rainwater. Cities have traditionally relied on traditional sewage systems, but in the face of climate change, and more intense storms, its proving to be inadequate. Green infrascture lowers flood levels, filters out pollutants in the water, and regulates city temperature. In Seattle, an early adopter of green infrastructure, rain gardens absorbed 1.5 trillion liters of rainwate.

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  • Bogota crowdsources a green transport future to cut emissions

    Citizen participation in meetings, door-to-door surveys, and via an open-source online platform where residents could edit and add to draft plans resulted in 7,000 citizen proposals to redesign one of Bogota’s major, car-choked, 23-km thoroughfares. Residents as young as 10 years old contributed to design plans that will cut climate-changing emissions and pollution by adding more bike lanes, pedestrian paths, and electric buses and cable cars. City officials spent substantial time listening to residents’ ideas and concerns, including talking with populations that are often ignored by those in power.

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  • Food waste is heating up the planet. Is dumpster-diving by app a solution?

    The app Too Good to Go helps restaurants and other shops prevent food waste by selling their extra food to people for a cheaper price. So far, more than 700,000 people in the United States have downloaded the app and the company estimates that, on average, each meal sold halts 2.2 pounds of food from ending up in the garbage, which ends up reducing carbon emissions. There are challenges to widespread implementation, but the app has launched in New York City, Boston, San Francisco, and Seattle.

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