Rare earths: the latest weapon in the US-China trade war

They are used in everything from lightbulbs to guided missiles, but with China controlling 95 percent of the world's supply of rare earth metals, they are also a potentially powerful weapon in Beijing's trade war with Washington.

The double-edged sword of palm oil

Widespread cultivation of oil palm trees has been both an economic boon and an environmental disaster for tropical developing-world countries. New research points to a more sustainable path forward through engagement with ...

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