(1) Give every home a smart meter or energy display so that all consumers know exactly how much energy they are using and how much it is costing them.
(2) Make sure energy efficient technologies are economic options for the vast majority of consumers... perhaps by making sure that every plumber is capable of installing solar hot water systems.
(3) Make sure every new house is built to a passive house energy efficiency standard and equipped with solar hot water.
(4) Think about making better use of the hot water generated by coal, gas and nuclear power stations (this currently gets released into the atmosphere or the sea).
(5) Introduce a wide-ranging carbon tax as France has just done.
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