Supermarket chief executive Justin King warns mandatory carbon reporting would create arbitrary regulations which would fail to drive real change
Retailer moves quickly from successful trial and flicks switch on demand management equipment in 200 stores
Retail giant to trial smart-grid system at Kent store opening this week
Deal with British Gas sees supermarket stock PV panels and offer microgeneration advice
Friends of the Earth predicts more councils could press charges against supermarkets over alleged use of excess packaging
Supermarket chain warns protecting bee population will prove essential to UK farming supply chain
Retailer rolls out new supply chain system designed to slash food waste caused by rainy barbeque weekends
UK supermarket giant confirms it is looking at rolling out waste-saving pouches for other products
Investigation accuses high-profile green products of failing to back up environmental claims with convincing evidence
Supermarket giant to replace tomato tins with cartons in effort to cut packaging and emissions