Watch this amazing video of Kumi Naidoo - the global head of Greenpeace - braving freezing water fired from water cannon to scale a massive Arctic oil rig. See the action and hear from Kumi about why he chose to make a brave personal stand against the madness of Arctic oil drilling. Right now, Kumi remains in custody in a Greenlandic jail but you can leave a message below that he can read once he regains his freedom.

1. Take Action: Send your own message to Cairn

2. Leave a message for Kumi: