Climate envoy John Kerry described it as “the last best chance the world has" — this weekend world leaders and thousands of negotiators, journalists, and activists converge on Glasgow for COP26, the 2021 United Nations Climate Change Conference. In the span of two weeks, can world leaders pull off what they never have, committing to realistic carbon-cutting policies in order to limit the planet's disastrous warming? Those who fear the worst may be familiar with the feeling of “eco-anxiety.” Caroline Hickman — a practicing psychotherapist and board member of the Climate Psychology Alliance — defines the phenomenon... and tells us what we can do about it.