Day one of the two-week trial included testimony from youth plaintiffs, a globally renowned climate scientist and a delegate to the state s 1972 constitutional convention.
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Alternative Titles: climate variation, climatic change, climatic fluctuation, climatic variation
Climate change, periodic modification of Earth’s climate brought about as a result of changes in the atmosphere as well as interactions between the atmosphere and various other geologic, chemical, biological, and geographic factors within the Earth system.
A series of photographs of the Grinnell Glacier taken from the summit of Mount Gould in Glacier National Park, Montana, in (from left) 1938, 1981, 1998, and 2006. In 1938 the Grinnell Glacier filled the entire area at the bottom of the image. By 2006 it had largely disappeared from this view.
1938-T.J. Hileman/Glacier National Park Archives, 1981 - Carl Key/USGS, 1998 - Dan Fagre/USGS, 2006 - Karen Holzer/USGS