Close-up of electric plug and outlet

Close-up of transformer

Close-up of dove perching on electric cable

Close-up of outlet

Barn Swallow (Hirundo rustica) sitting on a power line, close-up, low angle view

Barn Swallow (Hirundo rustica) sitting on a power line, close-up, low angle view

Asparagus breaking through the soil, close-up

Solar power system, Schleswig-Holstein, Germany, Europe

Electricity generation with wind turbines, photovoltaics and biogas

Wind park Eolico, Lanzarote, Canary Islands, Spain, Europe

Wind park, Gettorf, Schleswig-Holstein, Germany

Solar panels in field

Close-up of a fuel pump

Close-up of lightbulb above head with computer mouse

Close-up of lightbulb with brain and key

A hand holding a wind turbine, environmentally friendly factory, and a compact fluorescent light bulb

Green fingers, conceptual artwork

Green energy, conceptual artwork

Green energy, conceptual artwork

Close-up of electric power plant turbine axle