In April 2013, four young Arctic ambassadors trekked to the North Pole on an expedition organised by Greenpeace. Their mission was to place a time capsule - carrying the "Flag for the Future" - on the seabed to call for the protection of the Arctic.

As Indian Ocean Tuna Commission (IOTC) members gathered to meet in Mauritius, a flotilla of local fishermen held a joint protest with Greenpeace, calling on the IOTC to act now and clampdown on overfishing. Greenpeace is also attending the IOTC...

Tuna fishing in the Indian Ocean is poorly controlled. Too many boats are taking too many fish, and often use wasteful and destructive fishing techniques.

This morning six volunteers boarded a bulk carrier filled with thermal coal, leaving Australia bound for Asia. We did this because Australia's coal exports are the nation’s greatest contribution to climate change and plans are underway to roughly...