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Monday, September 11th, 2023

NASA Scientists Test New Tool for Tracking Algal Blooms 

Harmful algae can endanger public health and coastal ecosystems and economies. Advances in satellite imaging are providing new ways to look at our living ocean.  By the time they were over, a series of massive algal blooms along the west coast of Florida in 2020 would be linked to some 2,000 tons of dead marine

Monday, August 28th, 2023

NASA Shares First Images from U.S. Pollution-Monitoring Instrument 

NASA released the first data maps from its new instrument launched to space earlier in 2023, which now is successfully transmitting information about major air pollutants over North America.   From its orbit 22,000 miles above the equator, NASA’s TEMPO, or Tropospheric Emissions: Monitoring of Pollution, is the first space-based instrument designed to continuously measure

Friday, August 11th, 2023

NASA Study Reveals Compounding Climate Risks at Two Degrees of Warming 

If global temperatures keep rising and reach 2 degrees Celsius (3.6 degrees Fahrenheit) above pre-industrial levels, people worldwide could face multiple impacts of climate change simultaneously. This is according to a NASA-led study that analyzed the projected impacts of such warming to understand how different climate effects might combine. A 2-degree rise in global temperatures is considered a

Monday, July 31st, 2023

Wasting Away (Again) in Greenland 

More than halfway through the 2023 melting season, Greenland has seen a substantial transformation of its snow cover. Melting has been above average for much of the season, including on several days in June and July when melt was detected across 800,000 square kilometers (302,000 square miles)—up to 50 percent—of Greenland Ice Sheet’s surface, according

Monday, July 17th, 2023

NASA Finds June 2023 Hottest on Record 

June 2023 was the hottest June on record according to NASA’s global temperature analysis. Temperature anomalies reflect how June 2023 compared to the average June temperature from 1951-1980.  GISTEMP, NASA’s global temperature analysis, is drawn from data collected by weather stations and Antarctic research stations as well as instruments mounted on ships and ocean buoys. NASA

Thursday, June 15th, 2023

Carbon Monoxide From Fires in Canada 

As climate change increases the risk of wildfires across the globe, the spate of fires that hit Canada in May and June suggest that 2023 is on course to be the country’s worst fire season to date. These fires not only pose a serious threat to human life, wildlife the environment and property, they also

Tuesday, June 6th, 2023

In Dust and Clouds Over Africa, Scientists Find Clues to How Hurricanes Form 

When the dust that wafts off the Sahel and Sahara regions of Africa mixes with tropical clouds, it creates what’s known as a rainy “disturbance” in the eastern Atlantic. These disturbances are hurricanes in their youngest form, and as they travel across the ocean, they can either dissipate or grow into powerful storms.   To study these

Monday, May 22nd, 2023

International Sea-Level Satellite Spots Early Signs of El Niño 

The most recent sea-level data from the U.S.-European satellite Sentinel-6 Michael Freilich indicates early signs of a developing El Niño across the equatorial Pacific Ocean. The data shows Kelvin waves, which are roughly 2 to 4 inches (5 to 10 centimeters) high at the ocean surface and hundreds of miles wide, moving from west to east along

Monday, May 8th, 2023

NOAA Upgrades Model to Improve Storm Surge Forecasting 

NOAA upgraded its Probabilistic Storm Surge (P-Surge) model—the primary model for predicting storm surge associated with high-impact weather like hurricanes and tropical storms—to version 3.0. This upgrade advances storm-surge modeling and forecasting for the contiguous United States (CONUS), Puerto Rico and the U.S. Virgin Islands, and comes just in time for the 2023 hurricane season beginning on

Monday, April 24th, 2023

NASA Teams with Forest Service to Tally America’s Oldest Trees 

Century-old sugar maples in Wisconsin. Five-hundred-year-old cedars in Oklahoma. Fifty-foot-wide oaks in Georgia. These trees grace our nation’s old-growth forests, and scientists say they hold unexplored mysteries from their roots to their rings.  In an effort to steward these resources, on Earth Day 2022 the Biden Administration called upon the Department of Agriculture and the

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