How 'green' is the coalition government?
14 September 2010 Last updated at 13:13 BST
David Cameron tried to make his party appear more open to environmentally friendly policies with a tree as the party's logo and the phrase 'vote blue, go green'.
But now the Tories are in power, there are accusations they, and the Liberal Democrats, are abandoning their environmental policies?
Adam Fleming reports from Windsor where he spoke to councillor Liam Maxwell and Dr Gordon Edge from Renewable UK.