Why the U.S. government is spending $7 billion on solar for low-income homes

...

SIMON: For Sanya Carley, professor at UPenn, this program called Solar for All is a big deal in two ways. One, switching to solar from fossil fuels reduces planet-heating pollution.

SANYA CARLEY: Solar is the fastest-growing resource, the fastest-growing form of electricity. This is a very significant and important pathway for greenhouse gas mitigation.

SIMON: And, two, solar energy can reduce families' electric bills. 

CARLEY: They're spending less on energy and thereby able to put more money towards other things like food and medicine.

...