so that means that probably about half, maybe half of that nine-tenths of the degree of total warming might be caused by greenhouse gases.
so that means that probably about half, maybe half of that nine-tenths of the degree of total warming might be caused by greenhouse gases.
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.