The Seasons Alter
By Philip Kitcher & Evelyn Fox Keller The seasons later. Or it seems. People observe changes. They reflect on the human future. And they ask: What progeny of evils will these alterations breed? Some things we know already. Around the world, droughts are occuring with increasing frequency. Desperate people divert old water-courses. Violent conflicts break out as neigbors struggle to protect their access to water. New deprivations intensify old hostilities. Old diseases flare up. New diseases are born. Will these trends continue? Will their effects devastate the lives of our grandchildren? Clearly we need to talk. For three decades, climate scientists have been warning us about threats to the human future on our planet. Here's a short version. "Since the industrial revolution swung into high gear, the Earth has been getting warmer. Our practices of using fossil fuels and emitting greenhouse gases are responsible. Unless we want our descendants to inhabit a dangerous w...
