There's an expanding rift between developed and developing countries over whether to extend the 1997 Kyoto Protocol goals for reducing greenhouse gas emissions beyond the 2012 limits.
The two-week negotiations begin on Monday and carry far lower expectations than did last December's climate change talks in Copenhagen.
As talks on halting the global loss of species got underway Monday in Japan, long-standing disagreements over how to split up the economic benefits those species generate are threatening to stall negotiations.
Few expect big breakthroughs at China's climate change talks this week. The real success will be in smoothing relations after the Copenhagen debacle and small side deals that are more realistic, observers say.
In recent years, Russia viewed the threat of climate change in naive or cavalier terms. But this summer's devastating weather was a wake-up call.
Airlines and airplane manufacturers are working to make air travel greener. Meantime, consider taking a bus or train.
Voluntary carbon offsets are a 'Wild West' market ripe for fraud, exaggeration, and poorly run projects that probably do little to ease global warming.
Brazilian President Lula weighs in on the BRIC summit where Brazil, Russia, India, and China showed they are committed to building a joint diplomatic and creative approach to world issues.
Four formerly developing countries took the reins during climate talks in Copenhagen: China, India, Brazil, and South Africa. It could herald a redistribution of global clout, some experts say.
Some specialists are calling for an overhaul of the UN global warming process, which yielded only modest progress in Copenhagen.