British prime minister writes to Julia Gillard welcoming carbon tax policy, as New Zealand reveals success of emissions trading scheme
David Cameron has praised the Australian prime minister's decision to introduce a controversial carbon tax policy as "a bold and ambitious move" that will help combat climate change. According to reports...
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