Currently, rising CO2 levels are driving global warming, but in the past CO2 levels have naturally risen in response to rising temperatures. (newscientist.com)
There's also the mental and physical responses to rising temperatures, which need further scientific investigation. (edition.cnn.com)
The team also found that soil microbes in experimental warming studies showed no sign of adaptation — meaning a muted respiration response to rising temperatures — in all of the biomes studied, except desert and boreal forest. (sciencedaily.com)