Deal with Freetricity and Styles&Wood Energy will see 1,500 homes a month fitted with solar systems for 'the foreseeable future'
Too many sustainability indexes include companies in polluting industries, but being best of the biggest isn't good enough.
World Energy Council finds UK has one of the fairest and most secure systems for supplying energy
PwC survey finds companies identify benefits of measuring and reporting their total impact, but few are actually doing it
Firms welcome Labour's review aimed at strengthening manufacturing supply chains, but call for concrete policies to be set out
The Fabian Society's Natan Doron says politicians must catch up with businesses in recognising the value of sustainability
German utility proposes halving existing dividend and lowering future payouts in response to drop in conventional power output
Plenty of solar policies cover theft, damage or shoddy workmanship. SolarShield protects investors financing an installation
UN survey of chief executives finds a majority say more support from government is needed to overcome financial and market barriers
Analysts predict 2.5 billion surplus allowances will take seven years to erode even with more ambitious climate policies