Companies like Shell are planning to drill for oil in the Arctic and we need your help to stop them. That's why we've teamed up with Radiohead to help build a global movement of millions of people willing to protect the Arctic from exploitation.

We're giving away Radiohead tickets to see them live in London and Manchester, as well as Save the Arctic t-shirts. All you need to do is enter your details here. And if you haven't signed up to save the Arctic yet, you'll name will also be added to the Arctic Scroll, calling on governments to protect the frozen north.

By entering, you could win a pair of tickets to a show in either London or Manchester, or one of two special Radiohead t-shirts. But hurry, the competition closes at 5pm BST on Monday 10 September 2012. You also need to be a UK resident and over 18 to be eligible.

If you win, we'll need to contact you by phone by 12pm on Tuesday 11 September, otherwise we'll need to award the prize to someone else, so make sure you're available. When we call, you'll also need to provide the name of the person you want to take with you so be prepared!

See the full terms and conditions here. We'll also keep you updated about our campaigns.