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International Conference on Biological Waste as Resource

International Conference on Engineering for Waste and Biomass Valorisation

International Conferences on Waste Minimization and Clean Technology

International Symposium on Analytical and Applied Pyrolysis

International Symposium on Environmental Issues and Waste Management in Energy and Minerals Production

United Nations Conference on Environment and Development

World Conference on Injury Control

World Safety and Accidents Prevention Congress

1996 Protocol to the Convention on the Prevention of Marine Pollution by Dumping of Wastes and other Matter

Additional Convention Relating to the Liability of the Railway for Death of and Personal Injury

Agreement on the Implementation of a European Project on Pollution, on the Topic 'sewage Sludge Processing'

Agreement on Transboundary Cooperation with a View to Preventing or Limiting Harmful Effects for Human Beings, Property or the Environment in the Event of Accidents