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Transition to renewable energy lags behind Paris treaty climate goals

High shares of renewables are being integrated across the world in the power sector, but not fast enough to keep Earth from breaching the 2° Celsius limit past the industrial era.

A testing lab at the U.S. National Renewable Energy Laboratory in Colorado
A testing lab at the U.S. National Renewable Energy Laboratory in Colorado (AN/J. Heilprin)

An international organization working to advance renewable energy sources finds reason for optimism but worry, too. The power sector is rapidly changing, yet not enough is being done to keep Earth from overheating.

Renewable sources of power accounted for 70% of net additions to global power generating capacity last year, the Renewable Energy Policy Network for the 21st Century, or REN21, said in a new report in June.

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