Could recycling to save money be the answer to saving the planet? For decades, wealthy countries have been shipping their waste to China for sorting and recycling. Now China is getting wealthier, it no longer wants to be a dumping ground. So could we take another look at the cold, hard cash that recycling generates? After all, the idea it’s a moral obligation is relatively new and, as Tim Harford says, for centuries people reused and recycled to save money, not the environment.