"I played a pretty good role in trying to get Gov. Romney to finally sign the Massachusetts climate change action plan, " she told CNN's Jim Acosta last March during the Republican primary.

CNN: Obama's new Cabinet picks face big challenges

"Londoners don't have to reduce their quality of life to tackle climate change, but we do need to change the way we live, " said London Mayor Ken Livingstone, announcing the London Climate Change Action Plan.

CNN: London leads climate change fight

Its national action plan on climate change frequently mentions a regional approach.

BBC: South Asian bloc active at climate meeting

We welcome the President's commitment to a major program for promotion of renewable energy, and I drew his attention to India's own ambitious national action plan on climate change, which has eight national missions covering both mitigation and adaptation.

WHITEHOUSE: President Obama and Prime Minister Singh Press Conference

There are reasons why Parliament has evolved this way but the urgent need to take action on climate change requires a change of plan.

BBC: NEWS | Science/Nature | EU 'must walk its climate talk'

Ms Hyslop highlighted four priority areas in the action plan for Scotland in the EU: energy and climate change, research and creativity, the marine environment and justice.

BBC: EU priorities 2012 debate