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Appeal of climate experts, prepare for catastrophic scenarios


Climate change can turn into a catastrophe for humanity: we must therefore prepare for the worst scenarios by focusing research on hunger, extreme weather events, wars and diseases (ANSA)



can really turn into a catastrophe for the whole of humanity: we must therefore prepare for

the worst scenarios

, ranging from the decimation of the world population to the extinction of man, focusing research efforts on

four crucial issues

, namely

hunger and malnutrition


extreme weather events



and vector-

borne diseases

(such as ticks and mosquitoes).

This appeal is launched by an international group of experts led by the University of Cambridge, in the study published in the journal of the American Academy of Sciences (PNAS).

The researchers in particular ask the Intergovernmental Panel on Climate Change (IPCC) to dedicate a report to their most extreme consequences, to

spur the scientific community


inform citizens


"There are many reasons to believe that climate change can become catastrophic, even at modest warming levels," says the study's first author, Luke Kemp of the University of Cambridge.

“Climate change has played a role in every mass extinction event.

It favored the fall of empires and shaped history.

The modern world also seems to have adapted to a particular climatic niche.

Disaster is not achieved only by the direct consequences of high temperatures, such as extreme weather events.

Ripple effects

such as

financial crises




new epidemics

could trigger other calamities and prevent recovery from potential disasters such as nuclear war. "



used by experts indicate that

areas of extreme heat

(those with an average annual temperature of over 29 degrees, where today about 30 million people live between the Sahara and the Gulf coast) could extend so far as to affect as many as two billion people. by 2070. "These temperatures and their social and political consequences will directly affect two nuclear powers and seven maximum containment laboratories that house the most dangerous pathogens: there is a strong possibility of disastrous knock-on effects", underlines one of the authors of the study, Chi Xu of the University of Nanjing.

Source: ansa

All tech articles on 2022-08-03

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