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:136
most of the climatic warming over the last 50 years is likely to have been caused by increased concentrations of greenhouse gases in the atmosphere.