Rebecca Hersher
Stories
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Science
FAQ: America's New Promise On Climate
The U.S. is planning to rapidly reduce greenhouse gas emissions. This is America's return to the international climate stage. We break it down for you.
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Science
Carbon Emissions Could Plummet. The Atmosphere Will Lag Behind
The U.S. plans to reduce greenhouse gas emissions dramatically in the next decade. Scientists say it's crucial that the U.S. succeed. Still, many of the positive effects won't arrive for decades.
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Science
Expect More Tropical Storms, NOAA Warns
NOAA is updating its definition of what a "normal" Atlantic hurricane season looks like, based on the last 30 years. The average number of hurricanes in the new normal has risen from 6 to 7.
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Science
NOAA Upgrades Forecasts As Climate Change Drives More Severe Storms
The computer model that predicts the weather is getting more power. Climate change is upping the stakes for forecasters as extreme weather gets more common and residents demand earlier warnings.
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Science
A Looming Disaster: New Data Reveal Where Flood Damage Is An Existential Threat
More than 4 million homes face financial losses from flooding. Communities where flood insurance is already unaffordable are facing potentially catastrophic damage.
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Environment
ENCORE: Why Sea Level Rise Varies Across The World
The sea level is rising more in some coastal places than in others. But why is that? It has to do with wind, currents, glaciers and even the last Ice Age.
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Federal Scientists Confirm Virtual Tie For Hottest Year On Record
The average global temperatures in 2020 and 2016 were within a few hundredths of a degree. The Earth is about 2 degrees Fahrenheit warmer now than it was in the middle of the 20th century.
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Politics
Biden To Pick North Carolina Regulator Michael Regan To Lead EPA
Regan is the top environmental regulator for North Carolina. He would be first African American man to run the EPA, and he would oversee much of the federal government's response to climate change.
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Health
'We Don't Have To Live This Way': Doctors Call For Climate Action
Heat waves, air pollution and extreme weather are making people sick and, increasingly, killing people. A key report by global physicians says fossil fuels are to blame.
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Science
NASA Satellite To Measure Global Sea Level Rise
Space is the best place — maybe the only place — to get a complete picture of how climate change is affecting the Earth's oceans. And what happens in the ocean does not stay in the ocean.