Flagship Initiative against extreme heat and related environmental health risks in workplaces and major events
Environment, Climate Change, One Health and Migration (ECO)
We prevent disease by strengthening countries’ environmental health capacities: water, energy, air quality, climate, and emerging risks. Our One Health approach links human, animal, and environmental health, while inclusive systems address migrants’ and refugees’ health needs.
Videos
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Our strategy
9 February 2020
WHO global strategy on health, environment and climate change: the transformation...
The new strategy is timely – it responds to and is in line with the 2030 Sustainable Development Agenda and the GPW13.
Publications
All →Air pollution is the leading environmental health risk factor causing about 6.6 million deaths globally every year. Currently reported as Sustainable Development...
17 June 2026
Guidelines for drinking-water quality: fourth edition incorporating the first, second and third addenda
The fourth edition incorporating the first, second, and third addenda of the World Health Organization’s (WHO) Guidelines for drinking-water quality...
11 June 2026
Regional research agenda on health, migration and displacement in the WHO Western Pacific Region, with...
The Regional research agenda on health, migration and displacement in the WHO Western Pacific Region provides a framework for strengthening evidence generation...
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30 June 2026
WHO Ambient Air Quality Database (Update Jun 2026)
The WHO Ambient Air Quality Database compiles ground-level measurements of annual mean concentrations for nitrogen dioxide (NO2), and particulate matter...
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