China is the world's largest polluter. At the same time, it accounts for a quarter of international investment into renewable energy, and it's the leading exporter of solar panels. So are ideas of China's eco-unfriendliness outdated? Journalist Isabel Hilton, who received an OBE for her contribution to raising environmental awareness in China, joins the podcast. She paints a complicated picture: of a country undergoing rapid industrial revolution; of a one-party state divining public opinion to solve public health issues; and of a country trying to use climate change as a jumping board into global leadership.