This comes from either renewable sources or environmentally friendly sources. These can be as diverse as hydro, wind, solar, and biofuels.

This is energy derived from renewable or clean source, such as hydro energy, wind energy, solar energy and biofuels.

These are environmentally friendly tariffs. Green tariffs currently on offer usually get their green credentials from a combination of the following: supplying electricity from environmentally friendly resources such as wind power, carbon offsetting and investing a portion of profits into environmental projects or technology. It is not possible to [..]

Primary energy is described as "green" or "clean" when only small amounts of pollutants are generated during its conversion. “Clean energy" is a relatively subjective concept [..]

A popular term for energy produced from renewable energy resources or from clean (low-emitting) energy sources.

Electricity generation considered to be less intrusive environmentally than traditional generation.