Party loses six seats, raising prospect of it leading a minority government or forming a coalition with the Scottish Greens
New conference resolution vows to continue to deliver emissions reductions across energy, transport and food sectors
Plan would see most polluting vehicles banned from Central London and 'bad air days' warnings given to Londoners
New figures confirm capacity has risen from to 140MW to 179MW in the past year
Plastic bag use has fallen by 650 million since charge was introduced there a year ago
Scotland's First Minister seeks assurances Westminster will not alter support without agreement from Scottish government ministers
Nicola Sturgeon's party says it would use any post-election influence at Westminster to push for increased ambition on climate change
Richard Black explores how a strong electoral showing for the SNP could have major implications for UK energy and renewables policy