"Given the state of the planet," writes 350.org founder Bill McKibben in his new feature piece for In These Times, it would have been ideal for the world to have fully transitioned its energy systems away from fossil fuels to 100 percent renewable sources "25 years ago." But we can still push for the "second best" option, McKibben concludes. To do so, we must move toward wind, solar, and water "as fast as humanly possible."