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Posted inEnviro

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 […]

Posted inSci/Tech

NASA Space Mission Takes Stock of Carbon Dioxide Emissions by Countries

A NASA Earth-observing satellite has helped researchers track carbon dioxide emissions for more than 100 countries around the world. The pilot project offers a powerful new look at the carbon dioxide being emitted in these countries and how much of it is removed from the atmosphere by forests and other carbon-absorbing “sinks” within their borders. The […]

Posted inRegional

What’s Up: February 2023 Skywatching Tips from NASA

What to look for in February: Planets gather, the charioteer, and “Sirius” star clusters! Venus and Jupiter cozy up, the constellation Auriga makes a worthy target, and two star clusters you can find using Sirius and a pair of binoculars. What’s Up for February? The brightest planets converge, the constellation Auriga, and two star clusters you might […]

Posted inCalifornia

NASA Measures Underground Water Flowing From Sierra to Central Valley

In a recent study, scientists found that a previously unmeasured source – water percolating through soil and fractured rock below California’s Sierra Nevada mountains – delivers an average of 4 million acre feet (5 cubic kilometers) of water to the state’s Central Valley each year. This underground source accounts for about 10% of all the water […]

Posted inSci/Tech

NASA’s TESS Discovers Planetary System’s Second Earth-Size World

Using data from NASA’s Transiting Exoplanet Survey Satellite, scientists have identified an Earth-size world, called TOI 700 e, orbiting within the habitable zone of its star – the range of distances where liquid water could occur on a planet’s surface. The world is 95% Earth’s size and likely rocky. Astronomers previously discovered three planets in […]

Posted inSci/Tech

Latest International Water Satellite Packs an Engineering Punch

Set for a Thursday, Dec. 15 launch, the Surface Water and Ocean Topography (SWOT) satellite promises to provide an extraordinary accounting of water over much of Earth’s surface. Its measurements of fresh water and the ocean will help researchers address some of the most pressing climate questions of our time and help communities prepare for a warming world. Making […]

Posted inEnviro

NASA Study: Rising Sea Level Could Exceed Estimates for U.S. Coasts

By 2050, sea level along contiguous U.S. coastlines could rise as much as 12 inches (30 centimeters) above today’s waterline, according to researchers who analyzed nearly three decades of satellite observations. The results from the NASA Sea Level Change Team could help refine near-term projections for coastal communities that are bracing for increases in both […]

Posted inEnviro

Methane ‘Super-Emitters’ Mapped by NASA’s New Earth Space Mission

NASA’s Earth Surface Mineral Dust Source Investigation (EMIT) mission is mapping the prevalence of key minerals in the planet’s dust-producing deserts – information that will advance our understanding of airborne dust’s effects on climate. But EMIT has demonstrated another crucial capability: detecting the presence of methane, a potent greenhouse gas. In the data EMIT has […]

Posted inCalifornia

NASA Study Finds Climate Extremes Affect Landslides in Surprising Ways

The results represent an early step toward developing what researchers hope will become the ability to forecast whether a slow-moving landslide will collapse. Climate change is driving more volatile precipitation patterns around the world – very dry stretches punctuated by storms that drop large amounts of rain or snow in a short amount of time. […]

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