Seven years after the last assessment, a new IPCC report will be published on August 9, amid an avalanche of disasters that have put the impacts of climate change back at the heart of concerns.
Jean Jouzel, French paleoclimatologist and member of the Academy of Sciences, judges on Europe 1 that global warming has accelerated in recent years.
INTERVIEW
While deluges and fires ravage various parts of the world at a frantic pace between exceptional precipitation in China and Germany and delusional temperatures in Canada, 195 countries began on Monday the study of new forecasts by UN climate experts.
A report "crucial for the success" of the COP26 climate conference in November, and eagerly awaited according to the French paleoclimatologist Jean Jouzel, guest of Europe 1, Monday evening.
More and more hot years
“We are really in a context of global warming. The last six years have been the warmest we have seen in 150 years and sea level rise is almost 4 millimeters per year. So things are accelerating. ", affirmed the specialist who assures that all these events had been foreseen by the previous reports of the IPCC.
>> Find Europe evening in replay and podcast here
The member of the Academy of Sciences, recognized worldwide for his analyzes of the ice of Antarctica and Greenland, also explained that the precipitations which hit especially Germany and Belgium in recent weeks are being analyzed by scientists, but require hindsight.
"We are looking at whether or not this type of event can be attributed to human activity. And it takes longer for precipitation than for heat records," said the climatologist.
Emissions that are on the rise again with the pandemic
While some forecasts project temperatures of more than 50 degrees in France from 2050, this possibility is quite possible, according to Jean Jouzel.
"We can apprehend it in a context of global warming of the order of three degrees, which is unfortunately possible since these are the trajectories towards which we are going collectively," he regretted.
READ ALSO
- Climate: the awareness of the United States a few months before COP26
For him indeed, "everyone knows" what to do but "nobody realizes it". "To have any chances of achieving carbon neutrality in 2050, our emissions would have to be reduced by 7% globally each year by 2030, continued Jean Jouzel. But that's not what we are doing. fact since emissions started to rise again at the end of the pandemic ". "Finally, the world after is like the world before," concluded the climatologist. "This means that despite the great rhetoric, we are going back on the trajectories we had in the 2010s."