Reliability: can renewables replace fossil fuels?

The war in the Middle East has roiled oil and gas markets. The unrest and price spikes are another argument for why renewable energy like solar and wind — produced at home and insulated from external tensions — is a more secure bet. But experts warn that the picture is more complicated. Our senior climate reporter and host of the 'Zero' podcast, Akshat Rathi, joins Stephen Carroll to discuss.

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