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Welcome to the Waste management course! In this session you will be introduced to the challenges of waste and the concept of circular economy.

Los sistemas de clasificación y comunicación de riesgos químicos son elementos clave de la gestión racional de los productos químicos. Para armonizar estos sistemas en todo el mundo, las Naciones Unidas adoptaron, en 2003, el Sistema Globalmente Armonizado de Clasificación y Etiquetado de Productos Químicos (SGA).

Chemical hazards’ classification and communication systems are key elements of the sound management of chemicals. To harmonise these systems worldwide, the United Nations adopted, in 2003, the Globally Harmonized System of Classification and Labelling of Chemicals (GHS). The GHS is an important tool for countries to develop or modify national programmes and to facilitate trade.

The United Nations Institute for Training and Research (UNITAR) is a principal training arm of the United Nations, working in every region of the world. We empower individuals, governments and organizations through knowledge and learning to effectively overcome contemporary global challenges. 

The United Nations Institute for Training and Research (UNITAR) is a principal training arm of the United Nations, working in every region of the world. We empower individuals, governments and organizations through knowledge and learning to effectively overcome contemporary global challenges. 

Air pollution impacts our health, environment and economy. Air pollutants come from multiple sources, such as traffic, industry and agriculture, and are transported over large distances and across borders. It is therefore paramount that we take action together — across sectors and national boundaries.