China Huaneng Group and Datang both reported to be seeking to go public before the end of the year

Deal sees US and Japanese firms team up to accelerate development of emission reduction projects

New emissions standards likely to be finalised next year after EPA completes draft rules

Consortium awards £4m of construction contracts for flagship tidal energy project

China-based manufacturer becomes latest solar firm to scale up to meet booming domestic demand

Oil giant close to finalising launch of $12bn ethanol joint venture

Steel giant announces plan for £31.5m turbine foundation factory

White House releases photo showing president and daughter swimming in Gulf waters

Indian wind energy giant reports widening losses, but remains upbeat over expansion of emerging markets

Exclusive: Government's decision to put pollution standards 'on hold' raises possibility of dirtiest coal plants going ahead