Bordeaux Metropolitan: How to cool the city when heatwave threatens?

2024-08-11 18:10:03

The city is steaming. This time it’s not just a little bit: although we are starting to get used to these heat wave events, temperatures exceeding 41° in Bordeaux are still a painful and worrying experience given the forecast for the next few years – up to 28 nights a year .

The city is steaming. Not just a little this time: although we are starting to get used to these heatwave events, temperatures exceeding 41° in Bordeaux are still a painful and worrying experience, given the forecast for the next few years – up to 28 nights per year. By 2050, temperatures in the Bordeaux region will exceed 20 degrees. – Classic scenes facing the beach or the suffocating city, where mirrors of water in a storm, crowded swimming pools and the tiniest shady corners are considered unexpected breaks. People are relatively impatient with “transformed” public spaces, as elected officials put it.

“Work deep”

Last summer, deputy councilor Didier Jeanjean insisted (already) that revitalizing cities by “reshaping” them was “deep, long-term work”. Plant vegetables not to “fight” the heat wave but to “adapt” to the inevitable damage. Therefore, in addition to the pergola and Mr. “We have to adapt the city to these events, which we know will become more severe and more frequent,” said the environmental mayor Pierre Hurmic on 7 It was concluded at the first peak of summer on March 28th. The budget for revegetation between 2021 and 2026 is €75 million.

“Trees are the best tool in the fight against global warming”

Some 36,000 trees were planted in Bordeaux in four years (almost 370,000 trees were planted throughout the metropolis). A mix of tall trees, fruit trees, seedlings, groves or “microforests” creates an urban ecosystem, not to mention schools, all of which will be covered in vegetation within a decade. The temperature within a 100-meter radius around the Micro Forest drops by 1 degree. “This tree is the best tool in the fight against global warming,” Humik said.

“fresh frame”

According to Bordeaux Metropolitan, 42% of the region’s population “is in a highly vulnerable situation” during the heatwave. In June, elected officials voted on ten new “priority actions” to “refresh” the city. Among other provisions (including 100 new “water fountains”), the aim is to “create a fresh framework” consisting in particular of 100 additional “urban oases” so that “every inhabitant” can find some Something to protect yourself from high temperatures within 300 meters around.

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