It's now.
Personally, I don't care how much of the evident, data-supported global climate changes are caused by human activity. Change is upon us, and we need to be planning how we will live when the world we got used to is not the one we have now. If we don't or won't, then we are done. We will need to know how to grow some of our own food. We will need to put in place ways to deal with extremes of heat, cold, and storm. We will have to make accommodation--literally, places for people to live--when... Sign in to see full entry.