Greta Thunberg ditches planes, will sail to U.S. for climate talks
Greta Thunberg ditches planes, will sail to U.S. for climate talks
Earth’s skyrocketing CO2 levels are now rising at rates that are unprecedented in both the historic and geologic record. Already, levels of the potent heat-trapping gas are the highest they’ve been in at least 800,000 years, but more likely millions of years.…