Entries by Dr. Peter Gleick

Peter Gleick: Climate Change and the Integrity of Science Redux

Nearly two years ago, Science magazine published the following Lead Letter, signed by 255 members of the U.S. National Academy of Sciences addressing attacks on the integrity of climate science. The science has continued to strengthen, the evidence in real world observations has become even stronger and more obvious.

Peter Gleick: An Inevitable Headline in 2014 — ‘Planet’s CO2 Level Reaches 400 ppm for First Time in Human Existence’

Sometime, about one year from now, the front pages of whatever decent newspapers are left will carry a headline like the one above, announcing that for the first time in human existence (or in nearly a million years, or 3 million years, or 15 million years), the global atmospheric concentration of carbon dioxide — the principal gas causing climate change — will have passed 400 parts per million.