Leading climate scientist Katharine Hayoe: 'You have the ability to use your voice'

Hayhoe says people can use their roles in their workplaces and communities to act on the climate crisis Katharine Hayhoe has wrestled with her climate footprint. The climate scientist, who is now chief scientist for the nonprofit the Nature Conservancy, was shocked when she realized how much of her personal emissions came from work travel. But are these more justifiable because her work is educating people about the climate crisis? There has long been a debate about how much individual actions m...