90th Anniversary Issue: 1990s

Detecting climate change and other highlights, 1990–99

By Science News, 19:10 PM March 7, 2012

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. 131). But not until the 1990s would climate experts from around the world begin issuing consensus statements through the Intergovernmental Panel on Climat...

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