Party celebrates strong showing in council elections as seat count more than doubles to 29 and Greens emerge as "official opposition" in Liverpool and Solihull
Early results suggest Greens on track for marginal increase in council seats, as Lib Dem support collapses
Final poll before election shows Greens pushing Lib Dems into fifth place, as UKIP remains on track for stellar performance
UKIP are dominating the headlines, the Greens are enjoying a surge in the polls, but who should secure your vote?
Lib Dems fall to seven per cent, one percentage point behind the Greens, ahead of vote that is expected to have a huge bearing on EU energy policy
Government launches news series of programmes designed to bolster appeal of electric cars and vans
Senior Liberal Democrats warn coalition partner's pledge will hit investor confidence and push up costs of meeting green energy goals
Sustainable Energy Association and Association for the Conservation of Energy write to MPs over fears that local authority powers will be ditched
Local authorities could be forced to ditch their energy saving targets under plans being pushed through Parliament
Chief Secretary to the Treasury argues UK is now one of the best countries in the world for renewables investment, and green firms should celebrate that fact