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The celebrated Boundary Waters Canoe Area Wilderness (BWCAW) in northeastern Minnesota, which constitutes one million acres of the Superior National Forest, is among the most pristine river and stream...

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Asthma is a chronic respiratory condition with no known cure. It impacts people of all ages through episodic constrictions of the airways, which may be even worse than it sounds. Approximately 334 million...

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With a heat wave pushing the heat index well above 100 degrees Fahrenheit (38 Celsius) through much of the U.S., most of us are happy to stay indoors and crank the air conditioning. And if you think it’s...

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We’ve heard the predictions of how greenhouse gas emissions will drive changes in the temperatures and precipitation people experience. But how these changes affect the world’s forests has broad implications...

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Pacific Gas and Electric (PG&E) recently started the process of shutting down the Diablo Canyon generation facility, the last active nuclear power plant in California. The power plant, located near...

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Reported cases of algal blooms, when algae grow rapidly from an influx of nutrients in waterways, have been rising at an exponential rate in recent decades. Industrialized countries have the highest incidence...

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As voters go to the polls this November, at least four states will consider ballot questions on marijuana legalization. Pending proposals in Nevada, Maine and California would authorize recreational marijuana...

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The common wisdom about climate change is that it’s too big and too abstract for humans to comprehend, that it’s too hard to talk about. But it turns out many people are having tangible experiences...

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Increasing U.S. use of renewable energy is a core component of Hillary Clinton’s campaign platform. She contends that this shift will create jobs and make the United States the world’s 21st-century...

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One of the quirks of government accounting is that our nation’s most valuable assets – from aircraft carriers to interstate highways – don’t appear on any national balance sheet. In part this...