...One contentious issue is whether people displaced by environmental degradation and climate change should be called “environmental refugees”, “environmental migrants” or “environmentally displaced people”...Which definition becomes generally accepted has real implications for the obligations of the international community under humanitarian law and the rights of the people displaced...Large-scale infrastructure projects such as dams and roads can result in massive displacement. Meanwhile, large-scale land purchases in developing countries by infrastructure projects and agribusiness, often labelled land grabbing, are likely to be prominent cause of the future displacement...