solar – adj. of or relating to the sun

residential – adj. of or relating to the places where people live

renewable – n. any naturally occurring source of energy, such solar or wind

greenhouse gas – n. carbon dioxide and other gases that scientists have linked to rising temperatures in Earth's atmosphere

emission – n. something released into the air, such as a gas

utility – n. organization that supplies the public with water, gas, or electricity

bet – v. to think that something will probably or certainly happen

benefit – n. something that helps or gives an advantage

affordable – adj. able to be bought by most people