Update: Carbon Dioxide Concentration
July's global average concentration of atmospheric carbon dioxide (CO₂) was about 419 parts per million (ppm). This is a roughly 50% increase since 1750 due to human activities, such as burning fossil fuels and land-use changes.

Earth Science in Action: Monitoring Ozone in a Warming World
Ozone and climate go hand in hand – in more ways than one. In the Great Lakes region, NASA Earth data are helping state air quality agencies inform their decisions to protect public health.

Tonga Eruption Blasted Unprecedented Amount of Water Into Stratosphere
The huge amount of water vapor hurled into the atmosphere, as detected by NASA’s Microwave Limb Sounder, could end up temporarily warming Earth’s surface.

NASA's Mineral Dust Detector Starts Gathering Data
Newly installed on the International Space Station, the instrument, called EMIT, will help answer questions about how mineral dust from Earth’s arid regions affects climate.

Twitter Thread: 30th Anniversary of Hurricane Andrew
Aug. 24, 2022 marked 30 years since Category 5 Hurricane Andrew devastated South Florida. Since then, NASA has been working alongside the National Oceanic and Atmospheric Administration (NOAA) to improve satellite observations of hurricanes, aiding in forecasting advances.

Twitter Thread: Monthly Global Temperature Update
July 2022 tied with July 2020 for the third-warmest July globally since modern recordkeeping began in 1880, measuring at 0.90°C (1.62°F) above the 1951-1980 baseline average. The seven most recent Julys have been the hottest on record.

Twitter Thread: 8 Things to Know About Climate Change and Wildfires
Climate change is making wildfires bigger and fire season longer. Learn more in the linked video above, and get critical wildfire information in near real-time here.

Video: Tracking 30 Years of Sea Level Rise
A new animation shows global sea level trends from 1993 to 2022 as observed by several satellite missions.

Images of Change: Declining Peyto Glacier, Canada
A Canadian glacier has lost about 70% of its mass over the past 50 years. Satellite images show ice loss from Peyto and surrounding glaciers over the past 22 years.

Images of Change: Vanishing Great Salt Lake, Utah
Unrelenting drought and increased water usage in the Western U.S. shattered another record for this body of water. Click the link above to see the change from space.

NASA's Global Climate Change website is produced by the Earth Science Communications Team at NASA's Jet Propulsion Laboratory/Caltech. To learn more, visit our website at

› climate.nasa.gov