Waste

First four plants should be operational next year as company targets 40 facilities with combined capacity of 100MW by 2018

Supermarket will distribute thousands of tonnes of surplus stock through Fareshare to help tackle poverty and reduce food waste

Walmart to pay $81m as part of the plea after admitting dumping pollutants from stores into drains in 16 California counties

Retailer will halve its food waste management costs by ramping up anaerobic digestion and recycling across 2,800 stores

In its corporate responsibility report for 2013, supermarket chain says it will use its position to engineer social change

Owen Paterson urges investors and developers to build on success of a sector that presents significant economic opportunity

Green Party Leader Natalie Bennett warns that regardless of whether you see them as "energy-from-waste plants" or "incinerators", councils risk being locked into encouraging waste production

Commercial Group's Simon Graham reveals the top tips for any business seeking to achieve zero waste credentials

Caribbean island signs up to Richard Branson-backed Carbon War Room initiative to phase out fossil fuel imports in favour of green energy

Pioneering site designed to get more Patagonia products back into circulation crosses the Atlantic after US success