METHANE FEVER

摘要

Not often does a past geologic event exemplify what the actions of humanity may inflict on the world. Most global changes, such as the waxing and waning of ice ages, take so long that they are indiscernible in human lifetimes. But 55 million years ago a series of methane gas blasts may have choked the atmosphere with greenhouse gases at a pace similar to that at which the burning of fossil fuels pumps them into the air today.