WARSAW, Nov. 14 (Xinhua) — A new global pact under discussion at the ongoing UN climate talks should take into account historical carbon emissions by developed countries, a Chinese official said here Thursday. Su Wei, deputy chief of the Chinese delegation, said industrialized countries are mainly responsible for greenhouse gas emissions in the past two hundred years. The current climate change was caused mainly by developed countries since the industrial era as greenhouse gas has an atmospheric life of 50 to 200 years, he said. “It is important to take the historical responsibility element into the context of climate actions after 2020,” said Su, who is also director of the climate change department of China’s National Development and Reform Commission. China supports Brazil’s proposal to study the historical responsibility for the accumulated carbon emissions, he added. The two-week climate talks held in the Polish capital is set to lay […]