Global warming 101 the past present and future of climate change climate issue replacing the fossil fuel technology which is reshaping the climate remains a massive task. Climate change past present and future posted on 30 september 2010 by john cook i love a simple accessible graph that tells a clear story a good example can be found in a new paper climate change past present and future chapman davis 2010 they plot past climate change over the past 1000 years together with what we can expect to experience over the next century. Part v climate change in recent years 241 25 recent climate change 243 251 changes in temperature 243 252 changes in precipitation water vapour and extreme events 249 253 an overview of the past few decades 255 254 the impact of global warming the key issue 255 26 the impact of global warming on the cryosphere 257 261. Part v climate change in recent years 241 25 recent climate change 243 251 changes in temperature 243 252 changes in precipitation water vapour and extreme events 249 253 an overview of the past few decades 255 254 the impact of global warming the key issue 255 26 the impact of global warming on the cryosphere 257 261