Global Climate Change
Vital Signs of the Planet
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Recent News & Features
NASA has selected a new mission to help humanity better understand Earth’s dynamic atmosphere – specifically, ice clouds that form at high altitudes throughout tropical and subtropical regions.
NASA Mission to Study Ice Clouds, Help Observe Our Dynamic Atmosphere
Climate change plays an increasing role in the global decline of biodiversity—the variety of life on Earth. Scientists use NASA data to track ecosystem changes and to develop tools for conserving life on land, in our ocean, and in freshwater ecosystems.
A Global Biodiversity Crisis: How NASA Satellites Help Track Changes to Life on Earth
Researchers found that emissions of the powerful greenhouse gas dropped for several years near the nation’s second-largest metropolitan area.
Two NASA Studies Find Lower Methane Emissions in Los Angeles Region
From insect-borne diseases to seasonal allergies and “superbugs,” climate change is quite literally getting under our skin, affecting our health in often surprising ways.
When Climate Gets Under Your Skin
Kelvin waves, a potential precursor of El Niño conditions in the ocean, are rolling across the equatorial Pacific toward the coast of South America.
International Sea Level Satellite Spots Early Signs of El Niño
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.
Ask NASA Climate
How Do We Know Mauna Loa Carbon Dioxide Measurements Don't Include Volcanic Gases?
Researchers created a toolkit for determining the clarity and surface temperature of coastal waters. The data is freely accessible and can help assess reefs around the world.
Scientists Use NASA Satellite Data to Determine Belize Coral Reef Risk
A new NASA Climate feature series examines some of the lesser-known, and often surprising, ways global climate change is affecting our world. First up: transportation.
Planes, Shipping Lanes, and Automobiles: Surprising Ways Climate Change Can Affect Transportation
From space, air, and on the ground, NASA studies Earth and the ways it is changing. These observations help us better understand – and prepare for – the effects of human-caused global warming. Today, the agency released its 2023 climate strategy.
NASA Releases Agency Climate Strategy
NASA’s Images of Change gallery has added a new feature: "Google Timelapse" view. In addition to comparison views of before-and-after images, you can now view selected scenes as time-lapse sequences generated via the Google Earth engine.
Explore Time-Lapse Views of Our Changing Planet
On April 20-22, NASA is celebrating our amazing home planet. Learn about the agency's activities and related resources.
Join NASA for Earth Day
This Earth Day, join us in person and online to see how our fleet of satellites, our airborne campaigns, and our ground-based observations help us monitor the planet’s vital signs.
NASA Celebrates Earth Day with Earth Science in Action