Our blue-marble planet, imaged by the DSCOVR spacecraft. Life maintains a stubborn balance here–but for how long? (Credit: NOAA/EPIC)

James Lovelock has a lot to
celebrate. The renowned British futurist and environmentalist just enjoyed a
100th birthday party with his wife and friends. Over his long career
he has seen his once-controversial Gaia hypothesis steadily gain significant acceptance
among his colleagues. And capping all that, he has just published Novacene, a book that predicts th