With stints as mayor of London and the UK鈥檚 foreign secretary, Johnson has never held a government position specifically related to science and technology, but he has often spoken out on matters like climate change and the environment.
As mayor of London, Johnson , counter to efforts to reduce carbon emissions and air pollution, but he did encourage cycling by rolling-out a public bike hire scheme. He said in 2016 that he 鈥渕ore segregated cycling routes for London.鈥�
In 2013 he 听(ULEZ), but was criticised for delaying the implementation period until after he had left power and for limiting the affected area to the Congestion Charge Zone. His successor Sadiq Khan implemented a much wider reaching version of the ULEZ which vehicles within the north and south circular roads.
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In a 2014 interview with New 杏吧原创, during his time as mayor, Johnson said that he thought the London of 2034 would no longer have any vehicles powered by fossil fuels. He also said London should 鈥渄efinitely, absolutely鈥� have a nuclear power station, though it is unclear if these remarks were intended seriously.
Johnson has generally . In 2013, during a snowy UK winter, he highlighted a factually incorrect claim by Piers Corbyn (a weather forecaster who, coincidently, is the brother of Johnson鈥檚 would-be rival, the current Labour leader Jeremy Corbyn) that low solar activity .
He came out against the expansion of the UK鈥檚 largest airport, Heathrow, though as he was in Afghanistan conducting his duties as foreign secretary.
During the Boris was challenged about the plans to expand Heathrow airport and said he continued to have reservations about a third runway, and claimed that London鈥檚 CO2 emissions were cut during his time in power.
During the Brexit campaign, Johnson famously proposed spending 拢350 million a week on the National Health Service, paid for with money saved by exiting the European Union. This figure has been widely disputed.
