#616: How Solar Got Cheap
Planet Money - Podcast készítő NPR
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Solar energy used to be a fantasy. Then it arrived, but was too expensive for most people to afford. Now it's cheap. Here's how it happened.
Planet Money - Podcast készítő NPR
Solar energy used to be a fantasy. Then it arrived, but was too expensive for most people to afford. Now it's cheap. Here's how it happened.