Capital's policies to improve air quality an "embarrassment" in run-up to 2012 Olympic Games
Carbon now expected to cost €12/t at the end of 2011 and €24/t on average over Phase 3 of EU Emission Trading Scheme
New Policy Connect report urges government to boost investor confidence in waste sector
Initial tests reveal harbour seals were killed by ship propellers, but scientists have no proof which ship propulsion systems are to blame
Energy Savings Trust urges microgeneration firms to ensure they build consumer trust through accurate marketing
Drinks maker files for consent to build new bioenergy plant on Speyside
East Anglian company targets 70 per cent cut in water use to help take pressure off UK's driest region
Interxion facility serving Nasdaq and London Stock Exchange to buy 100 per cent renewable energy
New London Energy Efficiency Fund to help public sector buildings cut carbon emissions
Veolia executive calls for a more joined up approach to green regulation as part of Red Tape Challenge