Energy

Lionel Badal was working on his undergraduate dissertation when he suddenly found himself privy to information that he knew must be made public

This gallery of images shows a prototype solar powered, zero carbon house designed by students at Nottingham University

Anne Power, Professor of Social Policy Housing and Social Exclusion at the London School of Economics, on why nearly all homeowners can afford to insulate properly, and how to save energy on a budget

Brazil is hailed as a biofuels success story - producing and using ethanol from high yielding crops within the country. But those indigenous families who have been displaced by sugar cane cultivation see things differently

Greening your home can save you energy and money as well as making it healthier and lowering its carbon footprint

The world’s first carbon trading scheme should be used as a model for global cap-and-trade says leading American economist

Investors want oil giants to answer questions on their involvement in the environmentally damaging extraction of oil from tar sands

This gallery of images shows the simple, low-tech processes involved in turning organic wastes into a clean-burning, forest-preserving cooking fuel

Environmental groups in Germany, Finland and Denmark claim gas pipeline will devastate the Baltic Sea's already fragile marine ecosystem

Its short lifespan and greater potency means tackling methane emissions now could have a dramatic effect on atmospheric greenhouse gas concentrations reports Tom Levitt

Oil giant should stop gas flaring, provide clean drinking water and clean up the legacy of oil spills, polluted land and waterways in Niger Delta

US president announces $8.3bn in loan guarantees for construction of first nuclear reactors in almost 30 years

UK fund managers are selling investments in jatropha plantations as a wallet-swelling, planet-saving financial bonanza. But the reality for poor farmers is very different. Andrew Wasley reports

UK fund managers are selling investments in jatropha plantations as a wallet-swelling, planet-saving financial bonanza. But the reality for poor farmers is very different

Plans to use concentrating solar power plants in the Sahara to generate and export electricity have been on the table for years. Now, it looks as though political will might help move things forward