Greenpeace exposes sceptics hired to cast doubt on climate science

Sting operation uncovers two prominent climate sceptics available for hire by the hour to write reports on the benefits of rising CO2 levels and coal

Ecomodernism launch was a screw-up of impressive proportions

Our attempt to launch a new environmental political movement in the UK was certainly ill-timed but is hopefully not doomed

How to change the world: Greenpeace and the power of the mindbomb

The director and key figures in an award-winning documentary talk about the early days of the activist group and how shocking images were used for global impact

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

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