China expected to favour green tech over coal in new five-year plan China is today the worldâs largest emitter of planet-heating gases, responsible for about 28 per cent of total global emissions. Laurie Goering Save Share London | China, which long targeted rapid industrial growth despite its environmental consequences, now aims to become the global leader in âlow-carbon tech for a carbon-constrained worldâ as it unveils its new five-year plan on Friday, China analysts say. That shift is likely to include an accelerated pullback from its role as a major financier of new coal-fired power plants at home and abroad, Isabel Hilton, founder of China Dialogue, a non-profit news organisation, told an online event this week.