Currently, the domestic study of law defines the legal attribute of carbon emissions as an environmental property rights, a new property rights, usufructuary right, quasi real right, etc. Standing from the angle of domestic law, the legal interpretation of carbon emission rights has its rationality. But in the process of change from the “difference principle” to “common principle”, one needs more the legal attribute of deep response from the international level of carbon emission rights. Law attribute of carbon emissions of natural law, international human rights law and human ecological law should be the international law theory of contemporary human control greenhouse gases, to ensure that humans have the right to clean air.