climate stories

What with global warming definitely on the rise, we're going to start seeing more and more heat waves like the ones that made the last few weeks so miserable for all y'all who don't live on the West Coast, like me. One proposed idea to deal with the problem is a fake volcano, created by pumping large amounts of sulfate aerosols into the stratosphere.
Three billion years ago was way, way before humans. It was before mammals. It was before dinosaurs and insects and even plants. It was before Earth had any forms of life more complex than microbes. But it still rained back then, and paleoclimatologists have used fossilized raindrops to figure out what kind of atmosphere our planet used to have.