UKIP are dominating the headlines, the Greens are enjoying a surge in the polls, but who should secure your vote?
UKIP may be dominating the headlines, but the latest YouGov poll suggests the Green Party is also on track for sizable gains
Ministers poised to unveil latest onshore oil and gas round, as Green Party campaigns against prospect of fracking in London
Green MP tables urgent parliamentary question calling on government to confirm it will maintain current levels of subsidy until April 2015
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
Natalie Bennett slams UKIP for offering "denial and despair" ahead of next month's European election
Green MP vows to continue campaign to bring an end to fracking in the UK
Discuss sustainable energy's role in the next election at this free to attend event
Natalie Bennett uses conference speech to reiterate call for end to UK fracking and for climate sceptic ministers to be sacked
Caroline Lucas and Natalie Bennett to unveil 10-point plan to protect UK from further flood damage