Global heating likely to hit world food supply before 1.5C, says UN expert

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The problems of rising temperatures, heatwaves and more intense droughts and floods, were endangering food security in many regions, Donwahi said. “[Look at] the effects of droughts on food security, the effects of droughts on migration of population, the effect of droughts on inflation. We could have an acceleration of negative effects, other than temperature,” he said.

Poor farming practices were not helping, he said. “The degradation of soil comes with bad habits, and the way we do our agriculture will lead to degradation of the soil. When the soil is affected, the yield is affected,” he said.

Donwahi called on private sector investors to get involved and take advantage of opportunities for turning a profit. “The private sector has an interest in agriculture, and the better usage of the soil. We’re talking about [improving] yields. We’re talking about agroforestry, which is another way the private sector can have a return on investment,” he said. “We have to be innovative, to find new vehicles for finance.”

Governments around the world signed a treaty pledging to combat desertification in 1992, alongside the UN framework convention on climate change, which is the parent treaty to the 2015 Paris climate agreement, and the UN convention on biodiversity, which aims to safeguard species abundance.

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