1. Energy that is derived from traditional, non-renewable resources, such as coal, oil, and gas, which are seen by many as environmentally unfriendly. If we're going to keep our planet clean, we need to move away from brown power and invest in renewable resources, such as wind and solar.

2. A political movement emphasizing the rights, empowerment, and equality of Latin American people. Likely a derivative of Black Power, a similar political movement for empowering African Americans. Usually capitalized. Primarily heard in US, South Africa. Many see the upsurge of the Brown Power movement as a contributing factor in the president's re-election.