EPIC Earth
Named after the Earth Polychromatic Imaging Camera (EPIC), this image of our home world was snapped from NASA's Deep Space Climate Observatory satellite from about one million miles away on July 6, 2015. It showcases a fully sunlit globe that is actually a combination of different photos stitched together. NASA
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Climate change is often treated as a political issue, but it shouldn’t be.

The facts are these: The climate of our planet is changing at a pace unlike anything seen in the natural fluctuations traced across geological records, and scientists have overwhelmingly traced this global warming trend to human activity.

Unless you’re a supercomputer, you’ll find it virtually impossible to keep an eye on every single indicator of climate change. Here are a few that scientists use to monitor the planet:

For more, check out this story on how we know climate change is happening—and that humans are causing it.

"smog"

CO2 in the atmosphere

"Wildfire"

Droughts

"car

Global Mean Sea Level (GMSL)

"desert"

Temperature

"sea

Sea Surface Temperature (SST)

"Antarctica"

Arctic and Antarctic Sea Ice Extent

For more on what we know about climate change, check out this story’s companion piece—and our ongoing series on the Environmental Protection Agency.

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