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  • 'No one leaves anymore'. How Ethiopia's restored drylands offer hope

    Environmental refugees in Ethiopia flee their country because there are no jobs without healthy land. A group of former refugees have returned to Ethiopia with a business venture in Gergera to improve the land by regreening efforts, foresting, and building water conservation systems. The new businesses demonstrated such positive effects that the region is now on the brink of resettlement due to improved environmental conditions.

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  • Researchers work to make milk greener

    Researchers at the University of Minnesota's West Central Research and Outreach Center are looking for ways to make producing dairy milk less energy intensive - something consumers are increasingly demanding. They have had some initial success in increasing efficiency using techniques such as capturing heat from the milk to heat water and experimenting with solar and wind to offset some electricity use.

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  • What Will it Take to Get Plastics out of the Ocean?

    The amount of plastic debris in our oceans and water sources - especially nanoplastics that are increasingly prevalent in our food chain - is so enormous it's often beyond comprehension, and immensely difficult to address. As countries continue to industrialize and single-use products become more commonplace, the flow of harmful plastics into the environment seems insurmountable. But a number of clever inventions and dedicated individuals are working to help get plastics out of our water - and more importantly - encourage practices to reduce, reuse, and recycle.

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  • The world's first floating wind farm could be a game changer for renewable power

    A factor that has often held back further development of renewable energy is the initial cost. But new advances in technology are helping make offshore wind power more feasible in deep water, furthering the growth potential of renewable energy in Scotland.

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  • How close are we to a hamburger grown in a lab?

    Could clean meat be the solution for cutting greenhouse gas emissions, feeding an ever-growing human population and saving water? A growing number of food innovators think so, as do investors such as Bill Gates and Richard Branson. Although too expensive to hit the market immediately, production is in the works to create clean meat from animal cells that may be better for human health and the health of the environment.

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  • Hydrogen Fuels Autorickshaws and Dreams of Cleaner Air

    Autorickshaws are a main source of transport within India, but not all autorickshaws are being created equally anymore. In an attempt to reduce their carbon footprint and reliance on fossil fuels, India is experimenting with implementing hydrogen-powered autorickshaws that look and act the same, but emit emissions of only water vapor and heat.

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  • What happens when students are given a say in school budgets?

    This year, New York City's Department of Education introduced participatory budgeting in 48 public schools to bolster civics education and create a more transparent budgeting process. At Veritas Academy in Queens, students conducted research, consulted teachers, and prepared pitches in pursuit of the $2,000 of the annual budget available; in the end it was a close race between a greenhouse, multi-purpose studio, and filtered water fountain.

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  • Beer Waste Helps Montana Town Save Money On Water Treatment

    Finding ways to reuse brewery waste can save water treatment plants money. In Havre, Montana, Triple Dog Brewing has entered into a partnership with the town’s wastewater treatment plant, supplying discarded barley to feed the plant’s microbes. The barley replaces commercial bacteria feed, which would have cost the plant thousands of dollars. The town was also able to avoid having to do costly upgrades to its water treatment plant. Other towns are looking to this process for inspiration.

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  • A road full of bottlenecks: Dutch cycle path is made of plastic waste

    The first bicycle path made of recycled plastic opened in the Netherlands and the inventors see it as a way to prove a concept that could be adapted more widely to roadways as Europe works to eliminate plastic waste. The path has sensors to monitor its performance and the amount of traffic that uses it, as well as a design that drains rainwater and allows cables and utility pipes to be installed inside. A second path is under construction in another city and possibly in Rotterdam.

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  • Floating Wind Turbines Buoy Hopes of Expanding Renewable Energy

    Hywind Scotland is the world's first commercial wind farm using floating wind turbines to generate power for about 36,000 homes a year. This approach — which is being seriously looked at by several countries seeking to reduce their carbon emissions and oil-and-gas companies wanting to expand into renewable energy — allows wind farms to work in deeper waters where there is often stronger winds.

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