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Energy Efficiency

Cutting power usage can do more to reduce CO2 emissions than additional switching to renewables, according to research — but it will require new investment, strengthened policy from governments and the latest consumer technology. We look at initiatives from India to Paris and New York

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Investors push for faster ways to save energy
The slow pace of investment into cost-effective measures to cut carbon exasperates some observers
Solution to wasted energy lies in improved distribution
The scope for efficiency gains is enormous, even without more technology or scientific breakthroughs
In charts: Global progress on energy efficiency
World must double down on efforts to save power, says watchdog
Water groups pioneer ‘waste not, want not’ energy schemes
Converting sewage into biogas is providing power and helping to cut carbon emissions
Electric and hybrid trains power ahead to cut emissions
‘Bi-mode’ capability and other advances reduce fossil fuel use in rail transport
In photos: Domestic appliances need dual-track approach to save energy
Clearer labelling combined with tighter minimum standards can cut power wasted in the home

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