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  • How Catfish and Algae Are Cleaning Up the Chicago River

    By releasing fish into the Chicago River, the city of Chicago aims to help clean up its ecosystem, as the fish hopefully will eat the river's excess algae.

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  • New York's Big Climate Plan Really Does Include Oysters

    Tottenville, on Staten Island, will get oyster-friendly breakwaters and a dune system as part of post-Sandy rebuilding efforts. The oysters will help revive the ecosystem and sustain the long-term fishing economy.

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  • African Farmers Are Building Sustainable Beehive Fences to Protect Their Crops From Wild Elephants

    A team of entrepreneurial zoologists have devised a way to help farmers in rural Africa protect their property from the persistent threat of wild elephants trampling their crops. Christened the Beehive Fence, it’s a remarkably simple solution to this elephantine problem.

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  • Safe Passage

    North America’s protected areas are too small and scattered to sustain wildlife, so conservationists are fighting for Yellowstone to Yukon, a continent-wide network of protected areas which would preserve lifesaving migration routes.

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  • The Beaver Whisperer

    In different regions of the United States, beavers are considered a predatory pest and have been subjected to lethal trapping by Wildlife Services. However, Methow Valley in Washington has initiated a project that saves beavers by capturing them and taking them to places where they can help revitalize natural resources and the food chain. The Methow Valley Beaver Project has demonstrated that their efforts have provided effective against climate change and reshaping the land.

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  • Can Bats Reduce Nut Farmers' Pesticide Use?

    In California some farms lose up to 10 percent of their crop due to coddling moths. Davis University is measuring the impact bats have on various walnut farms, such as potential savings from reduced insecticide use and crop loss to insects.

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  • Cats of the Urban Wild

    New York City is home to an estimated tens of thousands of stray and feral cats, posing a problem for the city. To humanely handle this population concern, the city is using a method known as Trap-Neuter-Return (T.N.R.) that goes against the previous methods of euthanasia.

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  • Could adorable tiny tech backpacks save the honeybees?

    Concerned with colony collapse syndrome in honey bees worldwide, scientists, farmers and tech companies teamed up in Australia to create a micro-sensor that collects data on the bee's environment.

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  • As wolves rebound, range riders keep watch over livestock

    Wolves in western America were once hunted to near-extinction but have now been reintroduced into certain territories with notable success. More wolves often means more attacks on ranchers' livestock, however, so cowboys are working to track wolf packs by computer to reduce conflicts.

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  • Fish Net Fashion

    "Ghost gear" are nylon nets and other waste left behind in our oceans by fishing boats - they cause massive environmental damage, releasing toxins in the water, ensnaring wildlife, and clogging up beaches. Now one organisation, the Healthy Seas Initiative, is working with fishermen and a sportswear company called ECONYL to retrieve abandoned nets from out of the ocean and convert the materials into clothing, carpets, and more.

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