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  • With no oil cleanup in sight, Amazon tribes harvest rain for clean water

    Following decades of oil companies contaminating the water, indigenous groups in Ecuador’s Sucumbíos province have built systems for rainwater collection and filtration. These systems have provided people with clean water for drinking, cooking, cleaning, and bathing--a potentially powerful tool for other contaminated rural areas.

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  • Zimbabwe: Solar Cures Energy Ills At Zimbabwe's Power-Short Clinics

    Solar power systems and panels are being installed at health centers across Zimbabwe. In a country with common electricity shortages, these solar power systems ensure there are lights, refrigeration, and working machines to treat patients.

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  • Smart ships using wind and bubbles to save fuel

    The shipping industry has made moves to halve fuel consumption by 2050. With a few clever technological innovations--bubbles and rotating sails--ships are closer to that goal. But whatever the promise of these new technologies, they're not yet cost effective.

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  • Climate-Positive Architecture Has Arrived In Norway

    Powerhouse, a collective of architects, engineers, environmentalists, and designers based in Oslo, reimagines building design to address climate change. Not only are many of their structures energy-neutral, but they actually produce surplus energy. For example, Powerhouse Brattørkaia in Trondheim is an eight-story office that will generate 485,000 kWh annually. Such "energy-positive" building has made great strides in Norway.

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  • ‘Light for everyone': Indigenous youth mount a solar-powered resistance

    Tosepan Titataniske, an indigenous cooperative in Mexico's Sierra Norte mountains, emphasizes local control at the heart of solar programs. Over the last four decades, the organization has incorporated 410 community-level cooperatives that serve some 60,000 members, training people to install solar and establishing agricultural cooperatives. With organization, indigenous communities have been able to fight inequitable development projects and make significant gains.

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  • The key to easing land-use disputes? Listening, says Virginia solar developer

    In Virginia's Prince William County, one solar developer shows that the key to community support for renewables may be dialogue. Virginia Solar, a Richmond-based energy company, has won approval for a 20-megawatt solar project near Nokesville. How? By listening to citizen concerns about conservation, property values, and construction.

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  • How to make a carbon tax popular? Give the proceeds to the people

    After decades of forest devastation coupled with harsh winters, Canada was facing an uncertain future as climate change realities came into focus. To mitigate the damage, the country's government made the decisive move of implementing a carbon tax that not only taxed fossil fuel emissions, but incentivized those making carbon-conscious choices with the money gained from the policy.

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  • In Nigeria, a green stove addresses health, the environment and employment

    Green Energy Biofuels was created when Femi Oye wanted to find a cookstove that minimizes harm. The cookstove uses biofuel, which reuses waste, and the stove is also safer and more energy efficient. He estimates it has reduced carbon emissions by over 600,000 tons since the company began. Still, one challenge is convincing Nigerians to pay more, albeit for a safer appliance.

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  • Betting on a new way to make concrete that doesn't pollute

    Solidia, a cement and concrete technology company, is changing the chemistry of how cement is created that could make the building material cheaper and reduce carbon dioxide emissions. Cement plants create more carbon dioxide than any other manufacturing process, so the American-based company is testing how to use the greenhouse gas to incorporate it into the mixture instead of releasing it into the atmosphere. So far, it can reduce as much as 70 percent of CO2 that is normally emitted from the process and it's faster to make than normal concrete.

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  • Solar Mini-Grids Give Nigeria a Power Boost

    Over half of Nigeria's population lacks reliable access to electricity, but solar energy is slowly changing this. Mini-grids are gaining popularity in these rural areas thanks to the technology's capability to provide affordable electricity while also reducing harmful emissions.

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