California is looking into ways to reduce the use of gas-powered lawn and gardening equipment because they will soon surpass cars as the biggest polluters in the state. stoncelli/Getty Images/iStockphoto hide caption

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stoncelli/Getty Images/iStockphoto

California Weighs Tougher Emissions Rules For Gas-Powered Garden Equipment

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Trump Orders Review Of Obama-Era Clean Water Rule

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Massey Run, an intermittent stream that runs into Crum Creek in Pennsylvania's Montgomery County, is impacted by the Waters of the United States rule. Kimberly Paynter/WHYY hide caption

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Kimberly Paynter/WHYY

Vegetables were rationed at supermarkets in the U.K. due to poor weather conditions in Europe. Here, lettuce, broccoli and zucchini were rationed at a Tesco store in London. Victoria Jones/PA Images via Getty Images hide caption

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Victoria Jones/PA Images via Getty Images

Trump To Sign Order Rolling Back Another Environmental Regulation

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A refinery in Anacortes, Wash. In 2016, voters in Washington state rejected an initiative that would have taxed carbon emissions from fossil fuels such as coal and gasoline. Ted S. Warren/AP hide caption

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Ted S. Warren/AP

Almost 200,000 people were ordered to evacuate after a hole in the emergency spillway in Northern California's Oroville Dam threatened to flood the surrounding area. Climate change could be a factor of extreme flooding in California. Elijah Nouvelage/Getty Images hide caption

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Elijah Nouvelage/Getty Images

With Climate Change, California Is Likely To See More Extreme Flooding

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From field to bakery, a loaf of bread packs a measurable environmental punch. Daniel Berehulak/Getty Images hide caption

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Daniel Berehulak/Getty Images

What's The Environmental Footprint Of A Loaf Of Bread? Now We Know

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More than 10 wildfires burned over 200,000 acres in Southern California in October 2003, many of them started by humans. This satellite image shows strong winds carrying smoke over the Pacific. MODIS Rapid Response Team/NASA hide caption

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MODIS Rapid Response Team/NASA

What's The Leading Cause Of Wildfires In The U.S.? Humans

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Fearing Climate Change Policy Under Trump, STEM Group Works To Get Scientists Elected

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Why It's Been So Warm On The East Coast

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Some environmental justice advocates say California's cap-and-trade program hasn't done anything to clean up the air in low-income communities like Wilmington, where refineries are located near residential neighborhoods. Maya Sugarman/KPCC hide caption

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(Top) Police make arrests as they move through the Oceti Sakowin camp. (Bottom) The police moved steadily and slowly through the camp, accompanied by Humvees and maintaining a perimeter of the cleared area. Angus Mordant for NPR hide caption

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Angus Mordant for NPR

A typical meal in the Democratic Republic of Congo consists of greens, fufu - a starchy ball made from cassava flour - and meat, such as freshwater fish. Amy Maxmen for NPR hide caption

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Amy Maxmen for NPR

Scientists rallied for evidence-based public policy outside the American Geophysical Union's fall meeting in San Francisco in December. Marcio Jose Sanchez/AP hide caption

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Marcio Jose Sanchez/AP

Should Scientists March? U.S. Researchers Still Debating Pros And Cons

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