Don't expect a new Chinese baby boom, experts say, despite the first easing of the country's controversial one-child policy in three decades.

China's leaders have announced the first significant easing of the country's one-child policy in nearly 30 years and moved to abolish an often-abused labour camp system.

Japan's decision to drastically scale back its target for reducing greenhouse gas emissions could hurt efforts to craft a global deal to fight climate change, delegates at UN talks said.