The 2010-2011 La Niña weather event brought lush vegetation to vast semi-arid regions in the Southern Hemisphere and altered the delicate balance of the global carbon sinks. Owen Gaffney explores how La Niña might change in the future and what that might imply.
UN panel foresees big growth in renewable energy, but policies will dictate just how big.
Nature, (12 May 2011, says a report from the Intergovernmental Panel on Climate Change (IPCC), released on 9 May at a briefing in Abu Dhabi, suggests that an inevitable — if slow — shift towards specialized energy crops, sunlight, wind and other sources of renewable power will mark the next four decades.
This issue features a special section on carbon. You can read about peak greenhouse-gas emissions in China, the mitigation of black carbon emissions and the effect of the 2010-2011 La Niña event on gl...