From Apple’s supply chain woes to the threat of 'carbon bombs', we run down the top stories from the past week
Obama is keener than ever to "respond to the threat of climate change" The rhetoric was as soaring as always, but there was a clear increase in the ambition underpinning President Obama's inauguration...
German environment minister Barbara Hendricks orders only vegetarian food to be served at government events
Portuguese energy giant gets plan to slash carbon emissions by 75 per cent by 2030 validated by experts at the Science-Based Targets Initiative
Oil chief Darren Woods says "climate risks warrant action" including carbon tax, natural gas, energy efficiency, biofuels and CCS
Macquarie insists it is committed to renewable energy - but critics say it could invest in fossil fuels if its bid succeeds