As did the Dodo, so shall we go-go
Roughly half the size of the United States, Brazil’s Earth’s Amazon rainforest is often referred to as the planet’s lungs, producing 20% of all oxygen in the Earth’s atmosphere. The Amazon is considered vital in slowing global warming, and
CNN’s Rene Marsh investigates Per- and polyfluoroalkyl substances, or PFAS, and their effects across the US. The CDC says PFAS are found in the bloodstreams of nearly all Americans, and they have been linked to many ailments including liver
We’re entering the Earth’s sixth era of extinction — and it’s the first time humans are to blame. CNN introduces you to the key species and people who are trying to prevent them from vanishing.