With newspaper headlines, day after day, announcing record temperatures, rising sea levels, melting glaciers, wildfires, drought, storms and floods, more and more people are waking up to the reality of climate change.

If my recent conversations with friends are anything to go by, many people are beginning to feel stressed and anxious about the climate crisis. In the words of one close friend: "When I think about the kind of world my grandchildren might inherit, I feel physically sick."