This is one of several canals that will be filled to slow the movement of water through the Everglades, restoring an ecosystem environmentalist Marjory Stoneman Douglas called the "river of grass."€ Greg Allen/NPR hide caption

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Once Parched, Florida's Everglades Finds Its Flow Again
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The Heartland Biogas facility in Weld County, Colo., is one of the country's largest waste treatment plants that converts methane to natural gas. Rebecca Jacobson/Inside Energy hide caption

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From Poop To Power: Colorado Explores New Sources Of Renewable Energy
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An employee drags a palette of recently returned goods through the Optoro warehouse so they can be processed. Dianna Douglas/NPR hide caption

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Maryland Startup Redirects River Of Rejected Gifts
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A conference attendee looks at a projection of the Earth on Monday, the opening day of the COP 21 United Nations conference on climate change, in Le Bourget, on the outskirts of Paris. Alain Jocard/AFP/Getty Images hide caption

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Businesses Awaken To The Opportunities Of Action On Climate Change
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The Beijing Environment Exchange, one of seven emissions trading pilot programs in China, may be part of a nationwide carbon market by as early as 2017. Anthony Kuhn/NPR hide caption

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China Plans To Create A Nationwide Carbon Market By 2017
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A sample of Georgian from the UCLA Phonetics Lab
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Elizeu Berçacola, a leader of a group of rubber tappers in Machadinho d'Oeste in the Brazilian state of Rondonia, just after burring down three illegal logging camps. There is a war over the future of the Amazon rainforest in Brazil: those that are fighting it call it 'the war over wood.' Kainaz Amaria/NPR hide caption

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"I think there's a move that needs to be made toward accelerating what's already inevitable, which is a clean-energy transition that'll create jobs, safeguard our environment and reduce our dependence on foreign oil," Jay Faison told NPR. Courtesy ClearPath hide caption

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Residents of Flint, Mich. (shown here in January), have been protesting the quality and cost of the city's tap water for more than a year. Steve Carmody/Michigan Radio hide caption

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High Lead Levels In Michigan Kids After City Switches Water Source
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In this August 2015 file photo, plants burned in the Rocky Fire are shown near Lower Lake, Calif. NPR's environment and climate change reporting encompasses related topics such as wildfires, drought, and other natural disasters. Jeff Chiu/AP hide caption

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A diver swims in a kelp forest in California's Channel Island National Park, where several of the state's marine protected areas are located. National Park Service hide caption

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In California's Protected Waters, Counting Fish Without Getting Wet
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In the past decade, freshwater and sediment diverted from the nearby Mississippi River have turned what once was an open bay into a thriving wetlands area. Local environmental groups have planted thousands of cypress trees, attempting to create a marsh that will help absorb storms that pass through. Weenta Girmay for WWNO hide caption

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In Louisiana, Rebuilding Mother Nature's Storm Protection: A 'Living Coast'
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A town in California's Central Valley plans to transform farmland into an eco-friendly residential community. An artist's rendering shows plans for Kings River Village in Reedley, Calif. Courtesy of the City of Reedley hide caption

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California's Drought Spurs Unexpected Effect: Eco-Friendly Development
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A Tea Party supporter rings a bell in protest of the health care law in front of the U.S. Supreme Court, as Obamacare supporters shout behind her. Alex Wong/Getty Images hide caption

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Fresh oil puddles on the white sand in Orange Beach, Ala., during the BP oil spill in 2010. Debbie Elliott/NPR hide caption

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5 Years After BP Oil Spill, Experts Debate Damage To Ecosystem
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Joshua Haggmark, Santa Barbara's water resources manager, is in charge of getting the city's desalination plant back online. Becky Sullivan hide caption

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Will Turning Seawater Into Drinking Water Help Drought-Hit California?
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A baby orangutan wearing a diaper swings through the trees at the Sumatran Orangutan Conservation Program outside Medan, capital of Indonesia's North Sumatra province. The program takes mostly orphaned orangutans, nurses them back to health and releases them back into the wild. Anthony Kuhn/NPR hide caption

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As Palm Oil Farms Expand, It's A Race To Save Indonesia's Orangutans
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A demonstrator dressed as a bather protests against the rationing of water, outside the official residence of Sao Paulo's Governor Geraldo Alckmin in Sao Paulo, on Jan. 26. The banner behind him reads, "Planet Water, Dry Lives." Andre Penner/AP hide caption

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A Historic Drought Grips Brazil's Economic Capital
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