Analyst argues technology services firms are ill equipped to help clients cut carbon emissions

New project to track greenhouse gas emissions around the world

Modified zeolites promise to tackle formaldehyde pollution

Igloo-shaped system promises to bolster energy efficiency of waste water processing

Electronics giant debuts range of energy-saving smart fridges, ovens, washers and robots

Retail giant claims to be first US firm to comply with looming light bulb efficiency rules

Could old banana peels help deliver clean water?

State uses legislative powers to set demanding emission reduction target

Wave of solar plants faces legal challenge, despite government approval

BP-backed research project promises to commercialise new biofuel production technique "very soon"