aiming for the Passivhaus ultra low-energy refurbishment standard by 2020. It will offer up to £5,000 worth of free insulation, or other energy improvements such as solar photovoltaics (PV) if the insulation is already up to the standard, to every home in designated areas.
This example text from a political party manifesto is in favour of environmental protection, e.g. fighting climate change or 'green' policies or preservation of natural resources or animal rights