Two Tory ministers write to Cameron to warn that boosting low carbon energy is economic as well as environmental imperative Two Conservative cabinet members have asked the prime minister to do more to boost investment in low carbon energy and other green infrastructure. The latest intervention comes after the foreign secretary, William Hague, urged David Cameron to provide more support to help green industries boost the economy, stop the UK falling behind international rivals, and avoid losing its global leadership on the environment. In response to Hague's letter in March, development secretary Andrew Mitchell and environment secretary Caroline Spelman, both Conservatives, have also written to the PM supporting the former party leader, the Guardian has learned. The government is under growing pressure, including from some of its own backbenches, to do more to generate growth and jobs and improve competitiveness after the UK went back into recession earlier this year. Ministers are... - Johnn Luevanos