People are creating more inventive ways to harness power from the environment.

From retrofitted Ray-Bans that double as solar-powered phone chargers to a brussel-sprout powered battery, it seems that people these days aren't just relying on their average service provider for energy. These initiatives — including a project to divert London subway heat to warm local homes – exemplify the ones in which we can lower our carbon footprint and harness energy that may already exist all around us.

Take a look at some of the initiatives that were featured on PSFK.

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