Investment

Dirty gas better than dirty coal, US energy officials argue

Farmgen starts work on £30m anaerobic digestion project as Heathrow signs deal to turn food waste into fertiliser

Connie Hedegaard reveals EU is planning to take independent action to address concerns over integrity of UN offset scheme

Japanese trading house outlines plans to become global renewable energy developer

Regulator and builders blame each other for construction hold-up as designs await approval

New division formed as company steps up focus on green services

Shell and Cosan sign binding agreements to create one of the world's largest biofuel firms

Report claims investment in offshore wind industry could create up to 28,000 jobs by 2020

Vice president insists stimulus dollars will lead to a doubling of US renewable energy capacity by 2012

Government to launch tenders for 10 offshore wind farms next month