The Kavli Lecture is given by Professor Ed Hawkins. The long hot, dry summer of 2018 was a reminder that our society is vulnerable to unusual weather, through risks to human health, aging infrastructure, transport disruption and lower crop production.
Such heatwaves are now hotter than in the past because the planet has warmed over the past century, largely due to human-caused emissions of greenhouse gases. Other consequences of a warming world include extreme rainfall events becoming more frequent and rising sea levels as the oceans expand and the glaciers melt.
This lecture will outline how our climate has already changed and how volunteer ‘citizen scientists’ are helping us improve our understanding of extreme weather by recovering millions of lost historical weather observations that were taken over a century ago. Further changes to our weather and climate are inevitable, but it is our collective choices that will define what happens next.
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