We know how to tackle the climate crisis.
The technologies, the policies, the lifestyle changes - most are already being implemented somewhere on our planet. All that we lack is the political will, so that they might be implemented everywhere, and much more rapidly.
I say this with some confidence, having just spent two years researching and writing The Climate Challenge: 101 Solutions to Global Warming, which will be in bookshops by mid to late November. (New Society Publishers)
The warnings were grim nine years ago, when I wrote my first book - Stormy Weather - on the topic. They are even grimmer today.