Scientists discover the strange way CO2 cools part of Earth’s atmosphere

As the Earth's surface and lower atmosphere continue to warm, another part of the planet's atmosphere is doing the opposite. Far above the ground, the upper atmosphere has been cooling significantly for decades. Scientists have long recognized this unusual contrast as one of the clearest signals of human driven climate change, but the exact physics behind it remained uncertain.

1. Homepage
2. Science
3. Scientists discover the strange way CO2 cools part of Earth’s atmosphere