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Billions upon billions of soot particles enter Earth's atmosphere each second, totaling about 5.8 million metric tons a year—posing a climate-warming impact previously estimated at almost one-third ...

The world is warming. This fact is most often discussed for Earth's surface, where we live. But the climate is also changing from the top of the atmosphere to the bottom of the ocean. And there is a ...

The world’s first artificial satellite, the Soviet Union’s Sputnik 1, was launched in October 1957. Just three months later, it fell out of orbit. As Sputnik hit the upper atmosphere at incredible ...

Although tree restoration, including reforestation and afforestation, can enhance carbon sequestration and help mitigate climate change, this negative forcing can be strengthened or weakened through ...

The Earth’s atmosphere is nothing but freely roaming molecules. Left alone, they would drift and collide, and eventually even out into a mixture that’s dynamic, yet stable and broadly unchanging. The ...

The world is warming. This fact is most often discussed for the Earth’s surface, where we live. But the climate is also changing from the top of the atmosphere to the bottom of the ocean. And there is ...