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Update: Carbon Dioxide Concentration
May's global average concentration of atmospheric carbon dioxide (CO2) was about 414 parts per million (ppm), up roughly 24 ppm from a decade ago.
Update: Ice Sheets
Since 2002, Greenland has been losing ice mass at an average rate of 280 gigatonnes (Gt) per year, and Antarctica has been losing an average of 147 Gt per year. One gigatonne is equivalent to one billion metric tons, 2.2 trillion pounds, or 10,000 fully-loaded U.S. aircraft carriers.
Blog: Why Long Records of Coastal Climate Matter
Long-term monitoring sites are a climatologist's Holy Grail. A new study analyzes 50 years of data from a unique Mediterranean station.
NASA-NOAA Satellite Analyzes Saharan Dust Plume
Aerosol particles (such as dust) affect human health, the weather and climate. A NASA satellite tracked a massive dust plume as it traveled across the Atlantic Ocean from Africa's Saharan Desert.
NASA, Partner Space Agencies Amass Global View of COVID-19 Impacts
In response to the global coronavirus (COVID-19) pandemic, NASA, ESA (European Space Agency), and JAXA (Japan Aerospace Exploration Agency) have joined forces to document planet-wide changes in the environment and society. The information now is available at your fingertips.
NASA Ocean Ecosystem Mission Preparing to Make Waves
An upcoming mission has successfully passed its design reviews and moved into its construction and testing phase, preparing to advance the fields of global ocean and atmospheric science when it launches in 2023.
NASA Fosters Innovative Ways to Understand Biodiversity
NASA has funded four projects to create virtual portals with biodiversity information for scientists, land managers and decision makers regarding the status of terrestrial ecosystems in a warming world.
Images of Change: Travel Reduced Around Wuhan, China
After Chinese authorities suspended travel in an effort to contain the novel coronavirus, nighttime satellite images revealed the disappearance of vehicles traveling on highways connecting Wuhan, China, and surrounding areas.
Images of Change: Deforestation in Argentina's Gran Chaco
Nineteen years of deforestation in Argentina's portion of the Gran Chaco, South America's largest dry forest, has led to soybean and cattle fields.
Images of Change: Forest Regrowth on Alaska's Admiralty Island
Logging in the 1980s and 1990s destroyed some old-growth forests on Alaska’s Admiralty Island. New trees have emerged, as shown in satellite images, but it may take much longer for the new forests to match the quality of the old ones.
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