Independent: Britons are prepared to back a massive expansion of renewable energy announced by the Prime Minister last week, a startling poll shows. Nearly 60 per cent of respondents told Ipsos Mori that the UK “should invest now in renewable energy even if it increases the price of energy bills”, 19 per cent believing this “strongly”. On Thursday Gordon Brown promised to increase the amount of energy from renewables tenfold in just 12 years, in what he called “a …