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...solar panels and a personal wind turbine] In the 21st century climate change is an increasingly important global concern. Its human and economic consequences could be dramatic and demand a decisive as well as co-ordinated response. However, the issue is far from controversial. A number of politicians, notably in the US, have challenged its very existence while others have...

...energy efficient” actually mean? We know it’s important: homes account for around a quarter of total energy consumption, and most of this is used for heating and hot water. So anything you can do to reduce usage will help your bottom line. [Spraying insulation foam] Efficiency programmes range from the provision of low energy light bulbs to whole-house retrofitting....