The Mayor of London’s environment advisor reveals why improving air quality is the most difficult part of his job, and how he hopes to transform the capital's energy markets
How did you get your current role? I've known the Mayor quite a long time, and before I was here, I was at the BBC working on The Politics Show, where I did a lot of environment stories. I've always...
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Climate Change Committee and trade unions become latest to join chorus of calls for government to rescue its flagship green home retrofit programme
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