Cities, states and regions alone could reduce global greenhouse gas emissions by up to 2.2 gigatonnes by 2030 according to new research - but is that enough to avoid dangerous warming?
EPA proposes 'Affordable Clean Energy Rule', predicting relaxation of emissions rules will cut coal power polluters' compliance costs by up to $400m a year
Apple announces renewables milestone, as company sets out opposition to EPA attempts to scrap Clean Power Plan
Scott Pruitt signs notice proposing scrapping of Clean Power Plan, as EPA fails to confirm whether it will come forward with a replacement
EPA chief Scott Pruitt expected to formally start proceedings to scrap clean power rules, as he signals he wants to kill off renewables tax breaks
Climate scientists respond angrily to Scott Pruitt's climate denial comments as more EPA green programmes reportedly face budget cuts