In their day jobs, they talk art, fashion or films. Now UNEP's Goodwill Ambassadors are talking trees. To mark the UN International Year of the Forests, Gisele Bündchen, Don Cheadle, Li Bing Bing and Yann Arthus Bertrand have joined forces to highlight the crucial role forests play in our environment, health and economy.

For more information visit unep.org/forests

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