Lord Ashcroft poll puts Greens on eight per cent as party's support base continues to expand
Caroline Lucas MP confirms party is seeking legal action over BBC, ITV, Sky News and Channel 4 proposals to invite Nigel Farage into TV debates, but exclude Green Party
Party reveals that membership has swelled 45 per cent this year, as it challenges the Lib Dems in the polls
Party recording best results in 25 years, as leadership slams media for failing to deliver fair levels of recognition
Johnson appears before Environmental Audit Committee, as Labour confirms plan for national network of low emissions zones
Party aims to build on strong polling with green policies backed by plans to increase minimum wage and renationalise rail network
The Green Party's Natalie Bennett argues that while the government may have agreed to new carbon targets it is not doing nearly enough to meet them
Party polling at highest level since 1989, as Greens identify target seats and look to maintain recent momentum
Green Party says businesses in the capital should get more help to generate their own energy
Caroline Lucas warns new infrastructure and competitiveness Bill would undermine efforts to tackle climate change and counter public opinion of shale gas