The way the world manages land, produces and eats food has to change to curb glo...
LONDON/GENEVA - The way the world manages land, produces and eats food has to change to curb global warming or food security, health and biodiversity will be at risk, a U.N. report on the effects of climate change on land said on Thursday.
“Delaying action ... could result in some irreversible impacts on some ecosystems, which in the longer term has the potential to lead to substantial additional emissions from ecosystems that would accelerate global warming,” it said. Such warming has caused more heatwaves, droughts and heavy precipitation, as well as land degradation and desertification.
Last year, in the IPCC’s first special report, it had already warned that keeping the Earth’s temperature rise to 1.5 degrees Celsius , rather than the 2C target agreed under the Paris Agreement, would require rapid changes.The latest report also warned of more disruption to global food chains as extreme weather events become even more frequent due to climate change.
Yields of crops such as maize and wheat have declined in some regions, while those of maize, wheat and sugar beets have increased in other regions in recent decades.Land can be both a source and sink of carbon dioxide emissions, the main greenhouse gas blamed for global warming.
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