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Waves Rippled Through Greenland’s Ice. That’s Ominous

Waves Rippled Through Greenland’s Ice. That’s Ominous

On its surface, the Greenland ice sheet is a vast expanse of seemingly immovable ice. But beneath the monotonous stretch of white, scientists have discovered evidence of waves rippling through one of its outlet glaciers and roiling its innards. The waves, observed during the two most intense melt seasons on record, sent an unprecedented cascade of … Read More

Bipartisan Bill Introduced to Fix Neighborhood Floods

Bipartisan Bill Introduced to Fix Neighborhood Floods

As floodwaters from some of the highest tides of the year spilled this week into cul-de-sacs and avenues from Delaware to Hawaii, new federal legislation was introduced to ease the growing toll that rising seas are taking on coastal neighborhoods. Rep. Carlos Curbelo, a Republican from Florida who champions climate action, joined with Rep. Seth Mo… Read More

The Race to Understand Black Carbon’s Climate Impact

The Race to Understand Black Carbon’s Climate Impact

On a morning in September 2015, sterile, gray Arctic light filtered through a blanket of woolly clouds as Matt Gunsch and Tate Barrett parked their rented pickup truck on a dirt road and clomped in rubber boots down a long, icy boardwalk to their air-monitoring laboratory on the tundra. From the outside, the lab looked unglamorous — a dingy, white… Read More

Sharp Rise in Flooding Ahead for World’s Poorest

Sharp Rise in Flooding Ahead for World’s Poorest

Coastal residents of poor and fast-growing tropical countries face rapid increases in the numbers of once-rare floods they may face as seas rise, with a new statistical analysis offering troubling projections for regions where sea level data is sparse. Stark increases in instances of flooding are projected for Pacific islands, parts of Southeast … Read More

Warm Arctic Fuels Second-Warmest April on Record

Warm Arctic Fuels Second-Warmest April on Record

An unusually warm Arctic spring fueled the second-hottest April on record globally, with global warming and unusual weather conspiring to shrink sea ice and push up polar temperatures. April temperatures were 1.5°F (0.9°C) warmer worldwide than the 1950 to 1980 average, NASA data released Monday showed, extending to three a string of hot months in… Read More

Slow-Freezing Alaska Soil Driving Surge in CO2 Emissions

Slow-Freezing Alaska Soil Driving Surge in CO2 Emissions

Alaska’s soils are taking far longer to freeze over as winter approaches than in previous decades, resulting in a surge in carbon dioxide emissions that could portend a much faster rate of global warming than scientists had previously estimated, according to new research. Measurements of carbon dioxide levels taken from aircraft, satellites and on… Read More

Glacier National Park Is Losing Its Glaciers

Glacier National Park Is Losing Its Glaciers

Glacier National Park is losing its namesake glaciers and new research shows just how quickly: Over the past 50 years, 39 of the parks glaciers have shrunk dramatically, some by as much as 85 percent. Of the 150 glaciers that existed it the park in the late 19th century, only 26 remain. “The trend is consistent, there’s been no reversal,” Daniel … Read More

Arctic Sea Ice Keeps Scraping the Bottom of the Barrel

Arctic Sea Ice Keeps Scraping the Bottom of the Barrel

The astounding transformation of the Arctic before our very eyes continues. Yet another month has passed with record low sea ice. This April merely tied April 2016 for the lowest extent on record, but it’s hardly reason to celebrate. The Arctic was missing 394,000 square miles of ice, with each day setting a record low or within 36,000 square … Read More

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2016 Record Highs Dwarfing Record Lows The number of U.S. record highs in 2016 is dwarfing the number of record lows.

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