The Arctic Ozone Hole: Polar Peculiarity

The Arctic Ozone Hole: Polar Peculiarity

The Arctic ozone hole is the strange northern cousin of its better-known southern relative: smaller, more variable, and conspicuously bashful about appearing at all. Most years it does not. Then, every decade or so, the polar vortex over the high north stays cold and undisturbed long enough that the same chlorine and bromine chemistry which […]