Chinese Premier Wen Jiabao has urged developed nations to take responsibility and obligations in addressing climate change, including changing their unsustainable way of life.

He made the remarks in a high-level conference on climate change that opened here Friday. Representatives of governments, international and non-governmental organizations from nearly 100 countries are taking part in the conference that focuses on technology development and transfer.

Premier Wen also urged developed nations to help developing countries to cope with the global climate change.