China may be the world's champion of renewable energy, but its actions abroad are not always in line with a country truly committed to fighting climate change. With the United States planning to quit the Paris climate deal, all eyes have been looking to China - the world's biggest polluter - to step up as climate leader. Although the Chinese have announced a raft of measures to combat emissions at home, overseas projects paint a different picture.
Today, China is the world's largest exporter of coal equipment and is involved in the construction of more than 100 foreign coal power plants, including some in countries with huge solar energy potential. So is China exporting its pollution? The team from Down to Earth investigates.