Some plants can accumulate high concentrations of heavy metals. Researchers want to utilize this ability with a method called phytomining. It's hoped that the extraction of minerals from plants could prove a valuable source of rare earths.
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Prospectors for new oil and gas reserves in Greenland can forget it: The arctic island government plans to stop issuing new licenses, saying it takes the "climate crisis seriously."
The outcome of parliamentary elections could seal the fate of one of the world's richest uranium and rare earth minerals deposits.
The men were abducted near the country's border with Mali and Burkina Faso, a hotbed for Islamists. China, which mines uranium, gold and oil in the country, has expanded its operations across Africa.
Batteries, smartphones, cosmetics and many other goods contain silicon, rare earths, lithium and more. But in most places, these elements are not readily available, and mining them often harms the environment.
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