So far my climate crisis posts have been about declaring an actual emergency, the encouraging youth movement and joining the global climate strike on September 20th. Now I want to turn to the question of what to do. Today’s post sets out four basic principles. First, the “what” itself is quite simple: we have to emit dramatically fewer greenhouse gases going forward and we have to recapture a lot of our past emissions from the atmosphere. In other words, the good news is we know what we need ...