Mostafa Tolba

Mostafa Kamal Tolba was born on December 8, 1922, in Zifta, a small town in the Egyptian Delta, into a modest family that placed great value on education. He earned his doctorate in plant pathology from Imperial College London, becoming one of the first Egyptian scientists to achieve such an academic distinction in Britain during the post-war era. After returning to Egypt, he joined Cairo University as a professor and later served as Deputy Minister of Youth before his career took a decisive international turn.

In 1972, Tolba attended the landmark United Nations Conference on the Human Environment in Stockholm — the event that first placed ecology on the global political agenda — and was appointed Egypt's representative. His performance impressed UN Secretary-General Kurt Waldheim, who in 1976 appointed him Executive Director of the newly established United Nations Environment Programme (UNEP), a post he would hold for an extraordinary seventeen years.

Under Tolba's leadership, UNEP became a genuine force in international environmental governance. His greatest achievement was shepherding the negotiation of the Montreal Protocol on Substances that Deplete the Ozone Layer, signed in 1987. By building coalitions between developed and developing nations and applying relentless diplomatic pressure, Tolba secured an agreement that most observers considered impossible. The Montreal Protocol has since been credited with preventing up to two million cases of skin cancer annually and allowing the ozone layer to begin recovering. Tolba also drove the Basel Convention on hazardous waste and the Convention on Biological Diversity.

After retiring from UNEP in 1992, he continued to advise governments and institutions on environmental policy. He passed away on March 27, 2016, in Cairo, leaving behind a transformed global environmental legal order.