Empty Gestures On Climate Change Switch to energy-efficient light bulbs, wash your clothes in cold water, eat less meat, recycle more, and buy an electric car: we are being bombarded with instructions from climate campaigners, environmentalists, and the media about the everyday steps we all must take to tackle climate change. Unfortunately, these appeals trivialize the challenge of global warming, and divert our attention from the huge technological and policy changes that are needed to combat it. For example, the British nature-documentary presenter and environmental campaigner David Attenborough was once asked what he as an individual would do to fight...