As the One Forest Summit opens in Libreville, Professor Alfred Ngomanda, a Gabonese forest specialist, explains why it is vital to protect it: "The Congo Basin is the only green lung that still works today, unlike the Amazon Basin, which is starting to emit some carbon". "We educate, we reach out to people, people, especially the people around us, we educate them" adds Andrea Minkwe, an 'ecoguard' at the arboretum Raponda Walker, where the interview with the Professor takes place. IMAGES AND SOUNDBITES