Mr Clegg will today announce the government's new investment plan in energy efficiency.
Last year many environmentalists were dismayed by Chancellor George Osborne's comment the Tory conference that, while the Government would invest in green energy, "we're not going to save the planet by putting our country out of business".
And the Treasury is understood to have demanded cuts of 25% in subsidies for onshore windpower in a tussle between Mr Osborne and Liberal Democrat Energy Secretary Ed Davey, which ended last month with a 10% cut but question marks hanging over the 2030 target for decarbonising the economy.
More top news
George Clooney referenced the Trump inauguration as he paid tribute to his actor-cousin known best for Twin Peaks and NCIS: Los Angeles.
So it's day one of that brave new world, the year nought in the era AT, Anno Trumpi.
Teesside Crown Court was told two separate incidents took place at two Stockton branches of the fast-food restaurant