The ecological destruction of the Amazon region poses a serious threat to the planet, former Brazilian environmental minister Marina Silva has warned as the World Social Forum begins.

One charity gift that is proving a huge hit is to give or buy someone an acre of rainforest. Green gifts are getting more and more popular, and saving an acre of rainforest is a creative and worthwhile present that will benefit the planet as well as the person you give it to. You can buy, and so save, an acre of rainforest quickly and easily online through the World Land Trust.

A great present for Christmas, a birthday or anniversary is to give an acre of rainforest on someone else's behalf.Buy or give an acre of rainforest by clicking here

Why not give the world a gift (and a friend) and save an acre of rainforest of their behalf! Find out how to save an acre of rainforest here