Climate Change To Last At Least 50

In 2000, Paul Crutzen rose to speak at the International Geosphere-Biosphere Programme in Mexico. He was then one of the world's most cited scientists, a Nobel laureate working on huge problems the ozone hole, the effects of a nuclear winter.

In 2000, Paul Crutzen rose to speak at the International Geosphere-Biosphere Programme in Mexico. He was then one of the world's most cited scientists, a Nobel laureate working on huge problems the ozone hole, the effects of a nuclear winter.