NASA Global Climate Change Blog
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A premiere resource for accurate & timely news and information about Earth's changing climate, along with current data and visualizations, presented from the unique perspective of NASA, the world's leading climate research agency.
NASA Global Climate Change Blog
2w ago
Water vapor is Earth’s most abundant greenhouse gas. It’s responsible for about half of Earth’s greenhouse effect — the process that occurs when gases in Earth’s atmosphere trap the Sun’s heat. Greenhouse gases keep our planet livable. Without them, Earth’s ..read more
NASA Global Climate Change Blog
2w ago
In Brief: It’s not your imagination: Certain extreme events, like heat waves, are happening more often and becoming more intense. But what role are humans playing in Earth’s extreme weather and climate event makeover? Scientists are finding clear human fingerprints ..read more
NASA Global Climate Change Blog
2w ago
In Brief: As Earth’s climate warms, incidences of extreme heat and humidity are rising, with significant consequences for human health. Climate scientists are tracking a key measure of heat stress that can warn us of harmful conditions. How hot is ..read more
NASA Global Climate Change Blog
2w ago
In Brief: The amount of CO2 in the atmosphere is measured at Mauna Loa Observatory, Hawaii, and all around the world. NASA also measures CO2 from space. Data from around the planet all shows the same upward trend. The longest ..read more
NASA Global Climate Change Blog
2w ago
In Brief: As the ocean warms and land ice melts, ocean circulation — the movement of heat around the planet by currents — could be impacted. Research with NASA satellites and other data is currently underway to learn more. Dynamic ..read more
NASA Global Climate Change Blog
2w ago
In Brief: Aerosols are small particles in the air that can either cool or warm the climate, depending on the type and color of the particle. We often think of aerosols as spray paint, insect repellant, or similar substances sprayed ..read more
NASA Global Climate Change Blog
2w ago
In Brief: Coral reefs, one of the most important ecosystems in the world, are in a global decline due to climate change. Data from airborne and satellite missions can fill in the gaps in underwater surveys and help create a ..read more
NASA Global Climate Change Blog
2M ago
Launching this spring, the two small satellites of NASA’s PREFIRE mission will fill in missing data from Earth’s polar regions ..read more
NASA Global Climate Change Blog
2M ago
NISAR will study change to ice sheets, glaciers, and sea ice in fine detail, as climate change warms the air and ocean ..read more
NASA Global Climate Change Blog
2M ago
This immersive experience leverages satellite data to illustrate how climate change is impacting Earth’s water cycle ..read more