Before revision: Brown energy may refer to: Brown energy or brown power ' are terms that have been coined to describe energy produced from polluting sources as a contrast to green energy from renewable, non-polluting URL This term is controversial, as it can cause offense by associating polluting/bad resources with a color that people self-identify as.
After revision: Brown energy may refer to: Brown energy or brown power are terms that have been coined to describe energy produced from polluting sources as a contrast to green energy from renewable, non-polluting URL This term is controversial, as it can cause offense by associating polluting/bad resources with a color that people self-identify as.