Cheaper oil could damage renewable energies, says Richard Branson

Entrepreneur claims Saudi Arabia is encouraging collapse in oil price in bid to undermine fracking and clean energy

WWF International accused of ‘selling its soul’ to corporations

Pandaleaks writer says conservation group has forged links with business which is using it to ‘greenwash’ their operations

Emma Thompson in the Arctic with Greenpeace: ‘There are more good-looking men on this boat than any place I have ever been’ – video

Actor Emma Thompson has gone on an expedition with Greenpeace to raise awareness of the dangers of drilling for oil. She doesn’t want to tweet, but Stephen Fry has told her to ‘get a grip’. It’s freezing cold, Greenpeace keep asking her to pose for pictures on icebergs and her Arctic gear makes her ‘look like a sofa’. Here is her adventure

• Read an interview with Emma Thompson in the Guardian’s Weekend magazine on Saturday

Conservationists call for Canary Islands whale sanctuary instead of oil scheme

World Wide Fund for Nature launches campaign as Repsol announces that exploratory drilling could start in October

Ibiza unites against oil prospectors

The waters surrounding the Balearic party island are a world heritage site – and conservationists, politicians and tourist chiefs are adamant that plans to drill in the sea must be stopped

Virunga is saved but Africa’s wildlife is being encircled sliver by sliver

Campaigners have managed to keep the Congo national park free from drilling just as protected sites elsewhere are being cravenly redrawn