Crédits
Photos / Visuels : © Veolia / © iStockphoto / © IRD / © IRCELYON / © LISBP INSA Toulouse / © Hassan Quarouch / © iStockphoto / © Predict / © Fotolia / © Irstea – UMR TETIS - A. Decherf, F. Cernesson, N. Lalande, P-Y. Vion / © Gilles Foucras / © N Belkacem / © Sébastien Daniel
