Perhaps nothing illustrates the challenges of government efforts to curb global warming more than the chain of events that unfolded this week on opposite sides of the Atlantic. Full Article at Chicago Tribune

MOTTRAM: Mr Rudd's Lowy Institute speech was billed as an address on Australia's challenges in the region and the world, but it zeroed in on just one of those - climate change - and specifically climate change deniers. RUDD: They are a minority. Full Article at Radio Australia

Here is a timeline of key dates in the climate change negotiations: June 1992: Rio World Summit - Following years of lobbying by environmentalists on the potential danger of global warming, the United Nations Framework Convention on Climate Change... Full Article at The Telegraph