India will not sign up to targets to reduce its greenhouse gas emissions but will instead focus on fighting poverty and boosting economic growth, the environment minister said Tuesday.

Group of eight leaders will ask major emerging economies like India and China to adopt actions to reduce greenhouse gas emissions "in an indicative range below business as usual," Japanese media reported on Sunday.

Australian Prime Minister Kevin Rudd on Sunday hailed as an example to Australia the U.S. House of Representatives passage of a bill to reduce greenhouse gas emissions in the United States.

Developed countries must fund a $100 billion a year fight against climate change in the developing world by 2020, British Prime Minister Gordon Brown said Friday.

Carbon-capping legislation moving through the U.S. Congress gives a sign to world climate-watchers that the United States is serious about crafting an international deal on global warming in December.

Cap-and-trade legislation passed by the House of Representatives late on Friday will make it easier for the US to impose import tariffs against countries that do not control their own carbon emissions.

Ethiopian Prime Minister Meles Zenawi has demanded that the rich world compensate Africa for global warming and said pollution in the northern hemisphere may have caused his country's ruinous 1980s famines.

A U.N. summit scheduled for December in Copenhagen will try to reach global agreement on how to tackle climate change and come up with a post-Kyoto protocol to curb emissions.