Climate Change

COP26: Why 3°C of warming will lead to extreme and varied impacts

'The relationship between temperature increases and the effects on people, societies and economies is likely to be very highly non-linear.' Image: UNSPLASH/Matt Palmer

Nigel Arnell
Professor of Climate Change Science, Director of the Walker Institute, University of Reading
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charts showing the hange in global average heatwave, river flood and drought risk through increase in global mean temperature
Change in global average heatwave, river flood and drought risk with increase in global mean temperature. The individual lines represent different climate model projections of regional change in climate, and the horizontal line shows the indicators over the period 1981-2010 Image: Arnell et al., 2019, Author provided
charts showing the change in heatwaves, heat-stress and river flooding across England at different levels of warming.
Change in heatwaves, heat-stress and river flooding across England at different levels of warming (from Arnell et al., 2021). The two different colours represent different ensembles of climate models and highlight uncertainty. Image: Arnell et al., 2021, Author provided

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Climate ChangeClimate IndicatorsSDG 13: Climate Action
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