A Google user
One of the most entertaining -- as well as accurate, and surprisingly comprehensive -- treatments to date of the challenge that will define 21st Century life.
I work in climate communication, so I've read about 15-20 books on climate change intended for general audiences. This is my favorite. I keep mining it, again and again, for stories and metaphors.
Alley is a great storyteller, and world traveler. Lots of anecdotes and metaphors to explain a complex topic.
To get the basic ideas, you can just watch the 3-part ETOM PBS series, or watch some short segments on YouTube. But the book is far richer, with more detail.
My favorite chapter is on Chamber Posts, Toilets & the London Sewer System, which is perhaps the best extended metaphor I've read for what it takes to muster the political will to tackle a challenge this big.