These capabilities -- nearly 30 years of satellite-based solar and atmospheric temperature data -- helped the Intergovernmental Panel on Climate Change come to the conclusion in 2007 that "Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations." SMIC conference of leading scientists reports a danger of rapid and serious global climate change caused by humans, calls for an organized research effort.
The Greeks began the formal study of climate; in fact the word climate is derived from the Greek word klima, meaning "slope," referring to the slope or inclination of the Earth's axis. Susan Callery First Earth Day. Effective end of debate among all but a few scientists. It was closer, and much less expensive, to do research on. The Nimbus series of experimental weather satellites and the Landsat series of land resources satellites were the result of the Applications program. Fertilizers and other chemicals, electricity, and public health further accelerate growth. Warming observed in ocean basins; match with computer models gives a clear signature of greenhouse effect warming. So how did the space agency end up taking such a big role in climate science? Criticism that satellite measurements show no warming are dismissed by National Academy Panel. Mariner 9 spacecraft finds a … We’re here to help. Please refresh the page and try again. Election of Reagan brings backlash against environmental movement; political conservatism is linked to skepticism about global warming. Some scientists predict greenhouse warming “signal” should be visible by about the year 2000. Greenland ice cores reveal drastic temperature oscillations in the span of a century in the distant past. Scientists also knew that human emissions of aerosols could cool the Earth. Approved in the fiscal year 1991 budget, the resulting Earth Observing System would be the agency's primary contribution to American climate science. IBM Personal Computer introduced. Greenland ice cores suggest that great climate changes (at least on a regional scale) can occur in the space of a single decade. These questions revolve around climate and the intersection of climate, atmospheric chemistry and, on Earth, life.
Downturn of global temperatures since the early 1940s is reported.
Level of CO2 in the atmosphere reaches 380 ppm. And NASA followed suit, starting to plan for an Earth observing system aimed at questions of "global change."
Variety of studies increase concern that collapse of ice sheets (West Antarctica, perhaps Greenland) can raise sea levels faster than most had believed.
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