The sensitivity of climate to solar radiation changes, as defined earlier, is not well known. (gcrio.org)
Kuhle explains the interglacial periods by the 100,000 - year cycle of radiation changes due to variations of the Earth's orbit. (newworldencyclopedia.org)
My contribution had its ups and downs — a low point was definitely when Judge Alsup declared «your chart sucks» in response to a powerpoint slide (right) which showed an artist's impression of the Nimbus 4 satellite at the expense of a graph of how the spectrum of outgoing long wave radiation changed in response to rising greenhouse gases between 1970 and 1997. (realclimate.org)