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Far out in the Atlantic Ocean is a chain of volcanic islands — a province of Portugal. We escape tor a mountain trek among the dairy cows and waterfalls of Sao Miguel island in the Azores.
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What a new bridge over Baltimore's Patapsco River will look like is still very much a matter of speculation. But one design stands out.
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Bio-char is gaining traction as a regenerative agriculture technique that could improve soil while sequestering carbon. But cost and education are still barriers to more widespread use on farms.
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A United Nations official said negotiators have a "clear path to landing an ambitious deal" on plastic pollution. But environmentalists say the plastic industry is undermining an effective agreement.
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A trial for a mass environmental injury case begins in Hawaii on Monday, more than two years after a U.S. military facility poisoned thousands of people when it leaked jet fuel into drinking water.
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An organic seed company was distressed to learn it had marketed a GMO purple tomato by mistake. The incident raised alarm about the impact of new GMO plants.
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The federal government says it will restore grizzly bears to the North Cascades region in Washington state, where they have not been seen since 1996.
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The Energy Department finalized rules that will ban fossil fuels in new and remodeled federal buildings by 2030.
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After studying various species earlier this month, some scientists now say they understand the origin of animal behavior during solar eclipses.
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Fifteen years after the EPA said greenhouse gasses are a danger to public health, the agency finalized rules to limit climate-warming pollution from existing coal and new gas power plants.
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The talks in Canada are not going well,and scientists and civil society groups say the U.S. is largely to blame.
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Climate change is making it harder to meet clean air goals, says the 25th annual State of the Air report from the American Lung Association.