Caroline Lucas cleared of anti-fracking protest charges

Caroline Lucas, the Green party MP, has been found not guilty of obstructing a public highway and a public order offence during high-profile anti-fracking protests.

UN urges huge increase in green energy to avert climate disaster

David Cameron's commitment to the green agenda will come under the fiercest scrutiny yet this week when top climate-change experts will warn that only greater use of renewable energy – including windfarms – can prevent a global catastrophe.