Reasons to be cheerful?

摘要

FIFTY-FIVE years ago last month, Rachel Carson published her seminal book Silent Spring. Its warning that indiscriminate use of pesticides was poisoning the planet is frequently credited with having started the modern environmental movement. What has that movement achieved? Arguably not much. Certainly not enough. Pesticides still abound, we're in the midst of a human-made mass extinction and decades of warnings about irreversible climate change appear to have fallen on deaf ears.