UN floats plan to boost renewables as climate worries mount

The United Nations chief on Wednesday launched a five-point plan to jump-start broader use of renewable energies, hoping to revive world attention on climate change as the U.N.'s weather agency said greenhouse gas concentrations, ...

Researchers find potential new source of rare earth elements

Researchers have found a possible new source of rare earth elements—phosphate rock waste—and an environmentally friendly way to get them out, according to a study published in the Journal of Chemical Thermodynamics.

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