For some, CDR is crucial to staying below 1.5C. Others say it should not even be on the table. Why is it so controversial?
U.S. cities are losing some 36 million trees every year, but hardier species can restore their canopies.
It would take more energy than all the world’s houses will consume in 2100 to power a fledgling technology that captures enough carbon dioxide from the air to limit global heating at 1.5°C, according to...
Dr. Larry Brilliant discusses his time in an ashram, eradicating small pox, and how humans are the most invasive species on the planet.