the planet's average surface temperature has risen about 1.62 degrees fahrenheit (0.9 degrees celsius) since the late 19th century, a change driven largely by increased carbon dioxide and other human-made emissions into the atmosphere.
the planet's average surface temperature has risen about 1.62 degrees fahrenheit (0.9 degrees celsius) since the late 19th century, a change driven largely by increased carbon dioxide and other human-made emissions into the atmosphere.
scientific consensus on climate change:150
human-caused increases in greenhouse gases are responsible for most of the observed global average surface warming of roughly 0.8 °c (1.5 °f) over the past 140 years.