Party ranking by manifesto keyword count on environmental issues*
Green Party 293
Liberal Democrats 230
Plaed Cymru 47
* NB this reflects how important the environment is to the party - not how pro- or anti- they are (for example, UKIP are opposed to having an environment at all and their opposition leads to a high word count). Nor does it take into account how practical and achievable those policies are. The Liberal Democrats are #BritainsGreenestParty precisely because they have a record of success implementing their practical policy ideas.