Amid ongoing tensions between the US and China, the EU and China are now on the brink of a trade war that could shock the world economy.

The West is accusing China of overcapacity: Dumping low-priced electric cars, solar panels and batteries on the market. China claims its green tech industries help fight climate change, and its accusers are protectionist.

Who's right? And what could a new trade war mean for the rest of the world?

The award-winning 'When Titans Clash' returns with a special episode, with exclusive access within the EU, US and China, to investigate and unpack the world's most important superpower struggles.