#616: How Solar Got Cheap
Planet Money - En podcast av NPR
Kategorier:
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 - En podcast av 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.