‘We finally have a tool to at least shave some tenths of a degree off’: author Bill McKibben on the promise of renewable energy

The activist and author of Here Comes the Sun discusses rapid advances in solar and wind power and how the US ceded leadership in the sector to its main rival

Bill McKibben’s book The End of Nature, published in 1989, warned early of the dangers of climate changes and he has been campaigning and writing ever since. His most recent book, Here Comes the Sun, takes a look at the soaring potential of renewable energy

Is your latest book a more optimistic take on this world?