Susan Phillips
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Beneath the streets of hundreds of North America's oldest cities lies a network of pipes delivering steam heat to office buildings and hospitals. These steam loops could be a clean energy solution.
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"Steam loops" under hundreds of U.S. cities and universities have warmed buildings for a century. Now they could become a climate change solution.
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Beneath the streets of hundreds of North America's oldest cities lies a network of pipes delivering steam heat to office buildings and hospitals. These steam loops could be a clean energy solution.
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The Postal Service plans to replace about 160,000 gas-guzzling delivery trucks, but just a fraction will be electric. Advocates and states say going electric is aligned with climate change goals.
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The Biden administration has opened the East Coast to massive offshore wind development. But it will happen in some of the country's most fertile fishing grounds, and that's set up a growing battle.
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Pennsylvania is a major state for drilling natural gas. President Trump has made fracking a significant issue of his campaign in the swing state, but it's unclear how much it may help him.
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The chemicals, which are linked to health problems, have contaminated drinking water and soil in many parts of the United States. Critics say the EPA is not acting fast enough to limit them.
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Close to 800,000 records from about a dozen plant collections or "herbaria" are being digitized, allowing researchers broad access to data on plant species collected and preserved in past centuries.
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President Trump will sign an order on Tuesday that aims to roll back the Obama administration's Waters of the U.S. rule. It applies only to small bodies of water, but it has some big opponents.