The International Monetary Fund is warning that U.S. President Donald Trump’s new import tariffs threaten to undermine the global trading system, prompt retaliation by other countries and damage the U.S. economy.

The European commission has said the “simply unacceptable” imposition of high tariffs by the U.S. on Spanish olives is already having a major effect on producers in southern Spain.

Cobalt, a chemical element crucial for making lithium-ion batteries, continues to be mined using child labor in the Democratic Republic of Congo. With the DRC producing two-thirds of the world’s cobalt and demand expected to increase, companies are struggling to clean up their supply chains, CNN reported.

Britain’s food watchdog said it was investigating allegations that traces of meat had been found in “meat-free” and vegan meals sold at the country’s two largest supermarket chains, Tesco and Sainsbury’s.

For all his bluster about trade wars, President Trump seems willing to push China only so far: Witness the deal last week to grant Chinese telecom giant ZTE a reprieve from harsh American penalties. The reason is likely to lead straight to Iowa soybean and corn farmers like Benjamin Schmidt.