renewable energy

noun

1. Energy that is collected from renewable resources, such as wind, water, or the sun, usually and especially as applied to a category of electrical generation.

   “Finally, I have the impression that there’s an element of tough-guy posturing involved — real men don’t use renewable energy, or something.”

2. All non-fossil fuel energy sources, including those that consume limited resources; especially, nuclear power.

   “Renewable energy from nuclear, hydro, and solar sources constituted less than 10 percent of the world's energy consumption in 2009.”