Global Climate Change
Vital Signs of the Planet
Recent News & Features
This source accounts for about 10% of all the water that enters this highly productive farmland, including rivers and rain.
NASA Measures Underground Water Flowing From Sierra to Central Valley
Earth's average surface temperature in 2022 tied with 2015 as the fifth warmest on record, according to an analysis by NASA.
NASA Says 2022 Fifth Warmest Year on Record, Warming Trend Continues
A case study involving Europe’s largest coal-fired power plant shows space-based observations can be used to track carbon dioxide emissions – and reductions – at the source.
NASA Space Missions Pinpoint Sources of CO2 Emissions on Earth
Cameras on the Surface Water and Ocean Topography spacecraft captured the antennas for its main science instrument unfurling in orbit.
Watch the Latest Water Satellite Unfold Itself in Space
Led by NASA and the French space agency CNES, the Surface Water and Ocean Topography mission will provide high-definition data on the salt- and fresh water on Earth’s surface.
NASA Launches International Mission to Survey Earth's Water
A nonprofit group, Carbon Mapper, will use data from NASA’s EMIT mission, plus current airborne and future satellite instruments, to survey waste sites for methane emissions.
NASA Sensors to Help Detect Methane Emitted by Landfills
Meet the scientific heart of the Surface Water and Ocean Topography mission, which will see Earth’s water in higher definition than ever before.
Latest International Water Satellite Packs an Engineering Punch
The upcoming Surface Water and Ocean Topography mission will provide a trove of data on Earth’s water resources, even in remote locations. Alaska serves as a case study.
Water Mission to Gauge Alaskan Rivers on Front Lines of Climate Change
Fountains of lava erupted near Mauna Loa’s summit on Nov. 27, 2022, ending a 38-year period of quiet since the volcano’s last eruption.
images of change
Mauna Loa, Hawaii, Erupts
Targeting a Dec. 15 launch, SWOT will survey nearly all water on Earth’s surface for the first time, helping to track how fresh and saltwater bodies change over time.
NASA Sets Coverage for SWOT Water Survey Mission Launch
A new video series highlights the hard work and passion of scientists and engineers who are helping to get this remarkable new satellite off the ground.
Meet the People Behind the SWOT Water-Tracking Satellite
The international Surface Water and Ocean Topography mission will provide high-definition data on the salt- and fresh water on Earth’s surface.
5 Things to Know About How SWOT Will Look at the World's Water