For more than two decades, Earth Negotiations Bulletin has provided transparency and accountability to international policy-making at the United Nations.
The longest-running experiment at IISD Experimental Lakes Area has involved adding phosphorus and nitrogen to a lake since 1968 to study nutrient contributions to algal blooms.
Pollution has consequences for individuals, society at large and the economy. Damages lead to higher costs for many things, inlcuding: medical care, raw materials, food and taxes.