He has been praised for his work on air pollution, nature restoration, and London's goal to reach net zero emissions by 2030.

Khan's accomplishments include tackling air pollution, but specific details are not provided in the text.

If re-elected, voters can expect him to continue his efforts in these areas.

Sadiq Khan and Susan Hall, the two candidates running for Mayor of London, have vastly different climate policies, according to Paul Morozzo from Greenpeace.

Khan's policies have earned him a score of 23.5 out of 45 from Greenpeace, while Hall received only 7.5. Khan's environmental credentials are crucial in next week's contest, as almost all of the Green party candidate Siân Berry's votes went to him in the second round, giving him a significant lead over the Conservative candidate Shaun Bailey.

Khan's history and prioritization of climate and nature issues set him apart from Hall.

In this year's election, the voting system is first past the post, which means Khan's ability to convince Green-voting voters to support him from the beginning could be crucial to prevent a split in progressive votes.

Shaun Spiers from the Green Alliance believes that voters concerned about the environment would not do as badly by supporting Khan, as his environmental record has been generally impressive.