Firm accused of collaborating with Nigerian authorities in execution of environmental campaigners settles out of court

Government halts scheme to save money after paying out claims exceeding $550m

Japanese automaker admits high price of zero-emission i-MiEV an obstacle to consumers

Accenture and DHL among those engaging employees in climate fight

Plants will develop technology that can be used as blueprint across industry

By April 2012 the government must introduce a law to require organisations to report their carbon footprints

Scheme would be world's first nationwide smart grid project to cut 40 million tonnes of greenhouse gas emissions annually

Persuading people to change behaviour will only happen if there are economic incentives, says business secretary

New scheme could award carbon credits for leaving the forests standing, say researchers

Proposed seven per cent cut below 1990 levels by 2020 not enough, says Ban Ki-moon