Label claiming bottled water is 'carbon negative' set to be challenged in US class action lawsuit
EU report warns legal difficulties may torpedo plans to bring shipping emissions into its carbon trading scheme
Green groups urge government to tighten air quality regulations
Green groups argue that watered down standards will increase corporate fuel bills
London mayor wants to remove ancient taxis as part of plan to cut capital's dangerous emissions levels
Accords pave way for carbon capture projects to earn credits under Clean Development Mechanism
Basildon council leads effort to reduce region's sizeable carbon footprint
Specialist recruitment agencies cashing in as number of sustainability jobs increases 20 per cent over 2010
Negotiators eye deal before tomorrow's deadline, as some developing nations indicate they are ready to drop opposition to mandatory cuts
Researchers hope to prove biofuels could be a viable alternative to diesel in Antarctic temperatures