This week Robert Rapier describes some interesting research he was involved with while working in Hawaii.
Can the U.S. achieve 80% renewables for electricity generation by 2050? Russ Finley reports on some of the challenges ahead.
The effectiveness of any deal on climate change must be judged over a long horizon, writes Andrew Holland. But this deal does appear, though, to put both the US and China – and the rest of the world with them – on a track to beginning to actually meet the challenges of climate change.