90th Anniversary Issue: 1990s
Detecting climate change and other highlights, 1990–99
Climate in flux
More than half a century ago, temperature records from Antarctica and the Arctic showed data “consistent with the theory that the entire world is slowly getting warmer,” Science News Letter reported. This low-grade fever began around 1900 and was believed “to amount to some two or three degrees each century” (2/28/59, p.