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  • Italy's pollution-eating cement

    Respiratory diseases caused by air pollution now account for more premature deaths in people worldwide than malaria and HIV combined. To address increasing contamination levels, particularly in cities, scientists have developed a new kind of cement that absorbs pollutants like CO2. The special cement is being manufactured in Milan, and used around in the world in cities like Paris and Chicago.

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  • Ladakh's Ice Stupas

    Nearly a billion people living in the arid regions of the Himalayas depend on glaciers for their water supply. But with climate change, glaciers have been retreating drastically every year, threatening the life source of villagers like those in the Ladakh region of Kashmir. One engineer, Sonam Wangchuck, has come up with an ingenious feat of engineering to help the villages store glacier water by constructing stupas - or towers - using thorn branches that retain ice in tall structures, which melts and provides clean water for drinking and agriculture during the dry season.

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  • Can plastic roads help save the planet?

    Even with such increasingly popular trends as reusable grocery bags and biodegradable food containers, 70% of plastic products end up in landfills; but with the help of a local start-up, MacRebur, several townships in Scotland are cutting back on this quantity while simultaneously servicing and improving the quality of their transportation networks.

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  • Oslo Is on Track for a Car-Free Future

    In the heart of one of Europe’s fastest growing capitals, cars are rapidly disappearing. To reduce pollution and build a people-first city center, Oslo has promised to ban all cars in downtown by 2019. The multi-pronged effort includes making public transportation services more efficient, building 60 kilometers of new bike lanes, and transforming parking spaces into pedestrian-friendly areas.

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  • Will Norway Ever Beat the Winter Blues?

    In Scandinavian countries, where daylight is very limited during the winter months, residents are more prone to seasonal affective disorder. To combat this, a town square In Norway has mounted mirrors that create a high sun affect for two hours a day. Schools are also waking the students up during the wintertime with artificial lights in the classroom that mimic the light intensity cycle of a summer day.

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  • Solar air heating in factories reduces carbon emissions

    Businesses across India are using a practice called solar air heating to produce electricity and energy more efficiently. The process – which uses black, rooftop surfaces to capture heat under a glass panel that’s then carried through forced air and pipelines – has shown to save time and money in its effectiveness and ability to reduce traditional energy consumption.

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  • Cable Cars Are Changing the World

    In what was once a violent neighborhood ruled by drug cartels and fear, prosperity and community are now blossoming in Medellin, thanks to an effective new form of public transportation: cable cars. The gondola system has allowed those neighborhoods on the steep slopes surrounding the city center - those which were not accessible by traditional rail systems and which suffered severe vehicle traffic congestion - to link to the rest of the city, improving job opportunities, access to basic and emergency services, and more.

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  • How To Make Hydropower More Environmentally Friendly

    Dams make for complex and often controversial infrastructure. While hydropower generated from large dam projects is currently providing the bulk of the planet's renewable energy, dams can also cause major environmental and social damage by interrupting animal migrations, displacing indigenous communities, and collecting toxins. A number of solutions are being implemented, however, to address the various issues caused by dams, to help make them a more eco-friendly and viable source of clean energy.

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  • Experimental City: How Rotterdam Became A World Leader In Sustainable Urban Design

    Rotterdam, a port city once at the center of trade and commerce, is now threatened by climate change. The city has responded to this threat by totally transforming itself into a hub for sustainable design. It embraces crazy, environmentally friendly solutions. From a floating dairy farm to a home enclosed in a greenhouse to basketball courts that soak up rainwater, Rotterdam has established itself as a leader in sustainable urban design. By 2025, the city plans to be completely climate-proof.

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  • Offshore Wind Energy is Booming in Europe

    Denmark occupies a seat in the vanguard of efforts to fulfill carbon emission reduction goals of the Paris Agreement, with DONG Energy -- co-owned by the Danish government, Goldman Sachs and shareholders -- building massive arrays of offshore wind turbines. While expansion across the EU remains a challenge because of a still-underdeveloped grid capacity, DONG's efforts show how Denmark's use of free-market demand and public-private collaboration provides an affordable, environmentally- sustainable option.

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