At the heart of the climate crisis lies a harsh physical reality: Once carbon dioxide enters the atmosphere, it can stay there for hundreds or even thousands of years. Although some carbon does cycle in and out of the air via plants, soils, and the ocean, we are emitting far more than these systems can handle, meaning that most of it is just piling up. Burning fossil fuels is like continuously stuffing feathers into a duvet blanketing the Earth. But there may be ways to begin plucking them ou...
