12 years to act and other climate myths: John Stossl

“How dare you? You have stolen my dreams and my childhood!” insisted teenage climate activist Greta Thunberg at the United Nations. “We are in the beginning of a mass extinction!”
Many people say that we’re destroying the Earth.
It all sounds so scary.
But I’ve been a consumer reporter for years, and I’ve covered so many scares: plague, famine, overpopulation, SARS, West Nile virus, bird flu, radiation from cellphones, flesh-eating bacteria, killer bees,