Pollution, plants and protests: Where do UK parties stand on Green issues?

Video. Pollution, plants & protests: UK party policies on Green issues

During their campaigns, the political parties have gone big on environmental policies. The Green Party demands zero man-made greenhouse gas emissions by 2030. The Labour Party calls for a reduction by then, with the LibDems and SNP aiming fo ra deadline of 2045. The Tories are sticking with 2050.