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France braces for second heatwave amid fears of pollution spike

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As France braces for its second heatwave this summer, with air pollution expected to spike again, Marseille has imposed speed limits on ships entering its port in an effort to curb emissions.

Cruise liners cause more nitrogen dioxide pollution in the Mediterranean city than cars, according to a recent survey by a government-approved air quality monitoring organisation.

Marseille has lowered the speed limit for ships entering its port from 10 to 8 knots. Jean-Marc Fornieri, the head of the port authority, claimed: “A reduction of two knots is equivalent to one third less pollution.”

However, he acknowledged that in practice it would be difficult to measure the impact of the lower speed limit.   France’s second-largest city is also investing €20 million (nearly £18m) on a plan to offer all ships electrical connections from the quayside, so they do not keep their engines running to supply onboard power while docked.

Hundreds of cruise liners visit Marseille each year, carrying 1.7 million passengers, compared to only 19,000 in 1996. It is an increasingly popular destination for cruise passengers on Mediterranean tours.

Tourists visit its spectacular calanques, or narrow inlets along the coast, and travel on to historic towns elsewhere in Provence such as Avignon and Arles.

Heatwaves exacerbate air pollution because intense sunshine produces higher levels of ozone, a pollutant. Scientists say there is a direct correlation between extremely high temperatures and respiratory problems.

Last month a record temperature of 46 degrees Celsius was recorded in Vérargues, a southern village. This week most of France will again swelter in temperatures of at least 40 degrees Celsius. Brittany alone will be spared, with relatively balmy temperatures in the high 20s.

With experience as a full-time environmentalist and part time journalist, Lisa heads the post of editor at California Herald. She covers all the significant proceedings in the world of Environment while editing all the news pieces posted over the website to ensure everything aligns with the journalistic format.

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