Sweden creates energy for around 250, 000 homes and powers one-fifth of the district heating system, Swedish Waste Managements says.

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Its priorities include wave and tidal energy, and renewable district heating.

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In icy Tomsk, the potential for heat loss is even worse: astonishingly, the pipes that carry warm water around the district heating network of Seversk and Tomsk are completely uninsulated.

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Much of the avoided energy consumption will come from the switch to carbon-neutral district heating (rural households will switch from oil, natural gas, and electric heating to heat pumps and biomass burners).

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The next stage is to link this exchanger to a district-heating system so that it can be pumped into central heating.

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Combined heat and power (CHP) and district-heating systems delivered a whopping 36, 392 tons of avoided carbon emissions in 2010, which accounted for 50% of all carbon emissions reductions, according to an analysis released last week by the Greater London Authority (GLA).

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Even with the attacks heating up, Sanford has benefited from name recognition in the mostly conservative district: He held the same congressional seat in coastal South Carolina for three terms in the 1990s, and has touted his conservative credentials as a budget-cutter.

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