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Climate Change Could Slash Staple Crops

Climate Change Could Slash Staple Crops

Climate change, and its impacts on extreme weather and temperature swings, is projected to reduce global production of corn, wheat, rice and soybeans by 23 percent in the 2050s, according to a new analysis. The study, which examined price and production of those four major crops from 1961 to 2013, also warns that by the 2030s output could be cut … 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

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

Warmer Temperatures Drying the Rio Grande

Warmer Temperatures Drying the Rio Grande

The intensifying effects of warming temperatures on water shortages have been detected in remote northern New Mexico, where melting snowfall feeds one of the Southwest’s most important rivers. Researchers seeking to improve forecasts for how much water from the Rio Grande will be available for 5 million people each year found that rising … Read More

U.S. Drought at Lowest Level in Nearly Two Decades

U.S. Drought at Lowest Level in Nearly Two Decades

After years of intense, record-setting drought across the U.S., particularly in the Great Plains and California, the country is now experiencing its lowest level of drought in the 17 years since the U.S. Drought Monitor began its weekly updates. Less than 5 percent of the U.S. was in some stage of drought as of May 4, the most recent update… Read More

Swath of States Experiencing Hottest Year to Date

Swath of States Experiencing Hottest Year to Date

For a swath of states from New Mexico over to Florida and up to Ohio, 2017 has been the hottest year on record through April. For the Lower 48 as a whole, the year is the second warmest in records going back to 1895. Several states in the mid-Atlantic had their hottest April on record and a few Southeastern states were near-record warm, according… 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

The U.S. Is on a Historic Streak of Record Highs

The U.S. Is on a Historic Streak of Record Highs

The U.S. is is on a hot streak like no other. April marked yet another month where record highs outpaced record lows. It’s the 29th month in a row with the odds tipped in favor of record highs, 10 months longer than the previous stretch where highs beat lows in 2011-12. Embedded within the historic warm streak are a series of records-setting … Read More

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Climate Change Increases Grass Pollen Production Allergy season is getting longer and worse in a warming world with more carbon dioxide.

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