The sun has long been our planet's primary energy source.
Researchers predict solar power could dominate electricity production by 2050 as costs fall and efficiency climbs.
This "solar surge" could help curb climate change but obstacles remain.
A recent study from the University of Exeter in the UK finds we've reached a "tipping point" for solar energy.
Panel costs have dropped 15% annually since 2010 while capacity has jumped 25% each year.
The experts say fossil fuel projections are no longer realistic with such rapid solar improvements.
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