Atmospheric methane levels are rising, and isotopic ratios within the greenhouse gas suggest that the tropics may be to blame.
Climate Change
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A Quest to Put Sea Level Rise Data in Your Pocket
A new climate change app uses interactive data maps to engage users and prompt the exploration of questions related to changing sea levels and climate vulnerability.
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2016 Arctic Report Card Highlights Dramatic Changes in Region
The report says that the Arctic is warming twice as fast as the global average.
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California’s Governor Promises to Fight for Science
Scientific efforts must ratchet up in the face of rising climate change denial, Governor Brown said to a roomful of scientists.
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A Date Under the Stars? Maybe Not with Aerosol Injection
Injecting aerosols into the atmosphere on purpose could help cool Earth, but new research shows that it could also make the night sky brighter and negatively affect human health.
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Birds Flock to Areas of Good Weather Across the United States
A survey of birds over several decades shows that many bird species migrate or shrink their habitat to avoid drought and storms.
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Bat Guano: A Possible New Source for Paleoclimate Reconstructions
Nitrogen isotopes within samples of bat excrement accurately reflect modern precipitation patterns. So could guano serve as a paleoclimate record?
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Fearful of Trump, Hundreds in San Francisco Rally for Science
Speakers called on scientists not to remain silent in the face of what they said are threats to the Earth sciences.
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How Do Trees Respond to Climate Change? Clues from an Arboretum
The rich diversity of trees at arboreta may allow scientists to home in on the specific traits that allow trees to grow faster or slower in response to warming temperatures.
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Monaco Leader Urges Climate Action, Calls on Trump to Help
HSH Prince Albert II cautioned that the world has to come to terms with the fact that we are facing severe challenges if we don’t move toward a low-carbon global economy.