panda
Behind the curve
Politiska aspekter
Réchauffement de la Terre
Environmental Conservation & Protection
NATURE / Environmental Conservation & Protection
Wissenschaft
Modern
History, modern, 20th century
Global warming
Environmental protection
Politik
20th century
Historia
Nature
Political aspects
Political science
Science
History
"In 1958, Charles David Keeling began measuring the concentration of carbon dioxide in the earth's atmosphere at the Mauna Loa Observatory in Hawaii. His project kicked off a half century of research that has expanded our knowledge of climate change. Despite more than fifty years of research, howeve…
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