| http://www.w3.org/ns/prov#value | - do not have to spend heavily to do so as, according to television personality and environmental campaigner Philippa Forrester, grants can be acquired to pay for improvements such as insulation, while cheap purchases like draft excluders can make a noticeable difference.Switching to a green energy tariff can slash your CO2 footprint by two tonnes and also save you ??100s a year!
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