Research led by the global Champions 12.3 initiative found hotels saved $7 for every $1 invested in measures to reduce food waste
Scientists find an estimated 30 per cent drop in plastic bags on the seabed in the same timeframe as charges were introduced in European countries
Rising demand for crustaceans such as shrimp and lobsters sends global fishing emissions up 28 per cent between 1990 and 2011
British start-up turns cheese waste into green gas
Friends of the Earth demands the oil firm move away from fossil fuels to comply with Paris deal
Carlos Alvarado Quesada is promising to replace petrol and diesel in the transport system with clean energy, comparing the task to abolishing the army
Trump administration decision on Monday to roll back Obama-era vehicle emission standards sparks vocal opposition from US state governors, attorney generals, and mayors
Consumer goods giant announces partnership to pioneer new technology capable of turning PET plastic waste into transparent virgin grade material
Billionaire Gupta family will invest £60m over the next two years in Scottish hydropower projects
Uptick in industrial activity drives emissions growth across the trading bloc