World may have crossed solar power 'tipping point'

The world may have crossed a"tipping point" that will inevitably make solar power our main source of energy, new research suggests.

The researchers say policies resolving these barriers may be more effective than price instruments such as carbon taxes in accelerating the clean energy transition. "In reality, there is a virtuous cycle between technologies being deployed and companies learning to do so more cheaply. "Using three models that track positive feedbacks, we project that solar PV will dominate the global energy mix by the middle of this century."

"Our study reveals persistent hurdles, especially considering the challenges these nations face in accessing capital under equitable conditions.

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