Climate change debate warms up in corporate world: In the sometimes icy world of climate change politics, there appears to be a quiet hum of agreement about the desirability of an emissions trading scheme. The visiting climate change economist, Sir Nicholas Stern, supports the idea. The Prime Minister, after years of disinterest, has given it a tentative tick of approval by commissioning a task group on emissions trading, which will report at the end of May. And the state governments have set up their own emissions trading taskforce. SMH

Greener buildings could slow climate change: Better architecture and energy savings in buildings could do more to fight global warming than all curbs on greenhouse gases agreed under the UN’s Kyoto Protocol, a UN study showed on Thursday. Better use of concrete, metals and timber in construction and less use of energy for everything from air conditioners to lighting in homes and offices could save billions of dollars in a sector accounting for 30-40% of world energy use. Economic Times

Tiny blind animal halts mine: A blind spider-like animal has stopped development of a multi-billion-dollar iron ore mine in Australia after an environmental body rejected the project for fear the tiny cave-dweller would become extinct. Western Australia’s Environmental Protection Authority (EPA) rejected the proposal by Robe River, a unit of mining giant Rio Tinto, to develop the iron ore mine near Pannawonica in the Pilbara region after the company unearthed troglobites, which measure just 4 millimeters (0.16 in) in length. Reuters

Castro warns poor will starve for greener fuel: The Cuban leader, Fidel Castro, today attacked George Bush’s new-found fondness for biofuels, warning that food stocks for millions of people could be threatened. In his first foray into international politics following months of recuperation from intestinal surgery, Mr Castro claimed that valuable agricultural land in poorer countries could be taken over for biofuel crops destined for wealthier nations. Guardian