100-Year Forecast: New climate zones humans have never seen: If global warming continues unabated, many of the world’s climate zones may disappear by 2100, leaving new ones in their place unlike any that exist today, according to a new study. Researchers compared existing patterns of temperature and precipitation with those that may exist at the turn of the century, and … found that if greenhouse gas emissions continue rising at the same rate, up to 39% of Earth’s continental surface may experience totally new climates. Scientific American

Extinction, like climate change, is complicated: Extinction is a hotly debated, but poorly understood, topic in science. The same goes for climate change. When scientists try to forecast the impact of global change on future biodiversity levels, the results are contentious, to say the least. Monga Bay

The geriatric climate change imperative: Much has recently been written about the potential impact of climate change on Australia and the world, including the possible health effects. But climate change is not going to take place in a social vacuum and it seems clear that some groups of Australians are likely to be more at risk than others. There would seem little doubt that the rapid ageing of Australia’s population, the related increase in chronic illness, disability and medication dependence, and the continuing retirement migration to warmer parts of the continent, loom large and will help define vulnerability to climate change in the future. OnLine Opinion

If we want to save the planet, we need a five-year freeze on biofuels: It used to be a matter of good intentions gone awry. Now it is plain fraud. The governments using biofuel to tackle global warming know that it causes more harm than good. But they plough on regardless. In theory, fuels made from plants can reduce the amount of carbon dioxide emitted by cars and trucks …. In 2004 I warned, on these pages, that biofuels would set up a competition for food between cars and people. The people would necessarily lose: those who can afford to drive are richer than those who are in danger of starvation. George Monbiot in The Guardian

China likely to overtake U.S. as biggest carbon emitter this year: In a development that could put pressure on its government to take more action on climate change, China appears on course to overtake the United States this year as the world’s biggest emitter of carbon dioxide, according to an estimate based on Chinese energy data. International Herald Tribune