Johnson will launch COP26, a two-week conference seen as a moment of truth for the 2015 Paris Agreement to combat global warming, at an event alongside Italian Prime Minister Giuseppe Conte and broadcaster and naturalist David Attenborough.
"As we set out our plans to hit our ambitious 2050 net zero target across this year, so we shall urge others to join us in pledging net zero emissions." The government said that, subject to consultation, it planned to bring forward an end to the sale of new petrol and diesel cars and vans to 2035, or earlier if a faster transition was possible. It also said it would include hybrids.
France plans to ban the sale of fossil fuel-powered cars by 2040 whilst Norway's parliament has set a non-binding goal that by 2025 all cars should be zero emissions.