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The trailblazing palaeobotanist investigated how climate change affected Earth in the past — and firmly believed science should be used in its defence now. The trailblazing palaeobotanist investigated how climate change affected Earth in the past — and firmly believed science should be used in its defence now.
At 9:30 am on March 12, 1963, in Room 1-B of Manhattan’s Rockefeller Institute, six experts gathered to discuss the implications of a newly identified atmospheric phenomenon: the rising level of carbon dioxide (CO2) caused by the burning of fossil fuels.
Friends of Lake Apopka presents the Jim Thomas Environmental Hero Award annually.
This article originally appeared on Undark. The first and only time Steve Jackson spoke to Bill Critchfield was in the late 1980s. Critchfield, an authority on the conifers of North America, was at home recovering from a heart attack. Jackson, then a postdoctoral researcher at Brown University, had called looking for advice on how to tell jack pine from Virginia pine. Jackson was also curious about something the elder botanist had mentioned in a recent paper: mysterious spruce fossils from the American Southeast. The fossils dated to the end of the Pleistocene ice age, about 18,000 years ago...