11 Sep 2014: Andrew Simms: A global treaty to eliminate harmful chemicals and protect the ozone layer has paid off. We need to take the same decisive action on fossil fuels
8 Sep 2014:
In the wake of the EPA’s clean power plan, a host of lawsuits indicate that the costs and benefits of President Obama’s climate initiatives will not be shared equally
7 Sep 2014: Letters: Politicians cite a lack of public support as a reason not to take bold action against climate change. So on 21 September we will meet this with unprecedented public mobilisations around the world
7 Sep 2014: Business leader: the bizarre prospect of Britain being bailed out by 'diesel generation parks' is now a reality as an energy supply shortfall nears crisis point
We look back at Apple's tech products, including game-changers such as the iMac and iPhone, curiosities like Lisa – and duds, like the 20th Anniversary Macintosh