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Extreme heat is growing threat to harvests
https://climatenewsnetwork.net/extreme-heat-is-growing-threat-to-harvests/Extreme heat is growing threat to harvests
April 17th, 2019, by Tim Radford
A warmer world means more chance of extreme heat in more than one continent at the same time, and a rising threat to global food security.
LONDON, 17 April, 2019 ? Ever-higher average global temperatures mean more intense extreme heat over ever-wider regions.
When the planet becomes on average 1.5°C warmer than it was for most of human history, then for two out of every three years, one-fourth of the northern hemisphere will experience the kind of blistering heat waves recorded in 2018.
And should planetary average temperatures creep up by 2°C – the maximum proposed by 195 nations at the global climate conference in Paris in 2015 – then the probability rises to 100%. That is, extreme heat over a large area of the hemisphere will be guaranteed every summer.
…
April 17th, 2019, by Tim Radford
A warmer world means more chance of extreme heat in more than one continent at the same time, and a rising threat to global food security.
LONDON, 17 April, 2019 ? Ever-higher average global temperatures mean more intense extreme heat over ever-wider regions.
When the planet becomes on average 1.5°C warmer than it was for most of human history, then for two out of every three years, one-fourth of the northern hemisphere will experience the kind of blistering heat waves recorded in 2018.
And should planetary average temperatures creep up by 2°C – the maximum proposed by 195 nations at the global climate conference in Paris in 2015 – then the probability rises to 100%. That is, extreme heat over a large area of the hemisphere will be guaranteed every summer.
…
