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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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  • This pregnancy test came back positive for the environment

    Pregnancy tests account for two million pounds of plastic waste a year. If you were born before the 1980s, chances are your mother's pregnancy test is in a landfill. Since its creation in the 1970s, pregnancy tests remained the same; as single-use plastics that are not biodegradable. The founders of Lia Diagnostics sought to change that by revolutionizing the design and creating a pregnancy test made out of paper.

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  • 'The Beachcombers' town is now famous for fighting climate change

    A hit TV show in the 1970s and ‘80s called The Beachcombers brought the town of Gibsons and its logging practices into homes across Canada. After years of pollution and land degradation, it became one of the first towns in the world to incorporate nature into the municipality’s finances. Developers have to take stock of what natural infrastructure is on their property before they build. The town also launched an initiative to encourage other places to calculate the value of their green infrastructure. So far, 30 of them have signed up across the Great White North.

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  • What to Do With Piles of Plastic Waste?

    From collecting plastic to transforming it into infrastructure, communities all over the world are implementing solutions to tackle the growing amount of plastic waste. In Malawi, women are separating garbage from plastic and creating new products like fire briquettes, doormats, and organic compost that they can sell to others. A town in Tasmania turned their plastic waste into a road made of recycled asphalt that is expected to last 15 percent longer than regular asphalt. And Zimbabwe is employing youth to recycle plastic into eco-friendly construction materials.

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  • This Restaurant-Led Agriculture Effort Wants To Help Farmers And Ranchers Fight Climate Change

    A new county initiative in Colorado aims to support regenerative agriculture projects on farms as a way to take carbon from the atmosphere and store it in the soil in an effort to combat climate change. Restaurants donate 1 percent of their profits to the Restore Colorado initiative in Boulder County. The McCauley Family Farm is one of the first to sign on to this initiative and plan to plant more trees on their grazing land. While it can take years to see any benefits, organizers are looking to scale the initiative to be statewide.

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