Global warming Increase in average global temperatures of the atmosphere and oceans over the past 100 years. (slideplayer.com)
The predicted rise in average global temperatures of 4 °C in the course of this century would transform human life over a major part of the planet. (cliscep.com)
Even a small change in average global temperature leads to a big change in the frequency and severity of heat waves. (climaterealityproject.org)