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49°C in Tunis, 48.9°C in Bizerte, 48°C in Jijel and El Tarf… Algeria and Tunisia suffered an unprecedented heat wave in mid-July. These temperature records, due to the formation of a heat dome on the southwest coast of the Mediterranean Sea, are called he has becoming a new summer norm due to climate change. “It is in the Mediterranean region that we have seen a greater intensification of hot extremes”, explains Valérie Masson-Delmotte, climatologist and co-chair of the Intergovernmental Panel on Climate Change (IPCC).
Fossil fuels
At issue are certain specific characteristics of the region, with the Mediterranean being an almost closed sea surrounded by dry soils. However, as the expert points out: “Extremes of 45°C or 50°C were impossible in a pre-industrial climate undisturbed by humans. » Activities with high environmental costs, at the forefront of which Fossil energy extraction and the growth of tourism today threaten the food security and water supply of a region that is more arid than ever.
Like the Sirocco that crosses borders, the intensification of climate risks requires transnational governance, capable of guaranteeing basic needs in an increasingly hotter climate. “Our ability to anticipate is profoundly emancipatory”, adds the IPCC expert. And to conclude: “The challenge is to ensure that the infrastructure used functions as poorly as possible in a climate that continues to deteriorate. heating. »
