Sainsbury's

Retailer unveils 20 green targets to be achieved by the end of the decade

Sainsbury's and Unilever endorse report calling on firms to lead development of greener consumer goods

Waitrose and Birdseye also record a big increase in sales of sustainable fish

'Switch the Fish' campaign will offer free alternative to most threatened species in a bid to influence customer choices

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