内容摘要：The ban was repealed after a campaign led by a group of veterans called the Rank Outsiders.

The ban was repealed after a campaign led by a group of veterans called the Rank Outsiders.

But Sustenta's project coordinator, Paola Acevedo, says the two approached are not at odds, but rather complement each other: "This type of [classical] environmentalism is very important and there is no doubt that we need it.""We try to focus on solutions, while the others fight on the front lines," she adds.

"I would happily go cycle naked around the capital 100 times in a row than go through having my brain tumour again."Those are the words of Stephen Lewis, who will take on the World Naked Bike Ride in London with his partner on 14 June.The couple from Newark in Nottinghamshire will be raising money for the mental health charity Campaign Against Living Miserably (CALM) because of their struggles after Mr Lewis's diagnosis and treatment of a brain tumour.

The 38-year-old, who works as a train driver, says he had his work and life upended by the cholesterol granuloma between his brain and eye socket, and still deals with the aftermath two years later."When I first had symptoms I wasn't overly sort of bothered by them," Mr Lewis said.

He had started to experience double vision in 2023 and saw an optician, who assured him it was normal for someone his age.

But after feeling that something was not right in his body, he sought out an MRI scan which revealed the tumour.In 2014, two such events contributed to a significant spike.

In March, Malaysian Airlines flight MH370 disappeared as it travelled from Kuala Lumpur to Beijing with 239 people on board. In July, another Malaysian Airlines plane, MH17, was shot down by a Russian-made missile over eastern Ukraine, killing almost 300.Data sets such as this are inclined to see sudden, large fluctuations, Prof Sir David Spiegelhalter, Emeritus Professor of Statistics at the University of Cambridge, told BBC Verify.

"If you count fatalities rather than accidents it's bound to be extremely volatile and sensitive to a single large accident," he said."Random events do not occur evenly - they tend to cluster. So unfortunately we can expect aircraft accidents to be appear to be connected, even when they are not."