We spoke to Tessa Khan, founder of the environmental campaign group Uplift UK – she also works as an international climate change and human rights lawyer.
We also spoke to Howard Cox, founder of the motorist organisation Fair Fuel UK. He is standing in the London Mayoral election on a platform of scrapping the ULEZ and Low traffic schemes.
We began by asking Tessa Khan about warnings from environmental groups who say the Prime Minister is backsliding over green policies.