Environment, Climate Change and Health

We pursue a healthier environment by strengthening health sector leadership, building mechanisms for political and social support and monitoring progress towards the Sustainable Development Goals regarding environmental threats to health.

About us

Technical areas of work

Air Quality, Energy and Health

Chemical Safety and Health

Children’s environmental health

Climate Change and Health

Cross-cutting

Healthy urban environments

Occupational health

Radiation and health

Water Sanitation and Health (WASH)

Emergencies

Interventions

Monitoring

Settings & populations

Training

Highlight

5 – 7 April 2026

One Health Summit, Lyon, France, 5-7 April 2026

30 March – 12 April 2026

Key side events during the One Health Festival

News

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26 March 2026

Departmental update

WHO is now a Green Climate Fund accredited entity

26 March 2026

News release

Encouraging progress in inclusive health policies for refugees and migrants

3 February 2026

Statement

Joint statement on the renewed Quadripartite Memorandum of Understanding regarding cooperation on One Health until 2030

26 January 2026

Departmental update

New UN-Water GLAAS findings: stronger WASH systems needed for safe drinking-water, sanitation and hygiene for all

Speech

1 December 2025

WHO Director-General's opening remarks at the media briefing – 1 December 2025

Features

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18 June 2025

Donors making a difference: refugees and migrants

Events

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25 June 2026

ATACH High Level Strategic Meeting

18 May 2026 08:00 – 09:30 UTC Time

Evidence to action: Preventing lead poisoning to save lives

9 April 2026 11:00 – 13:00 CET

One Health Festival event: Climate-resilient and low carbon health systems as a practical One Health solution

Commentaries

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20 November 2025

World Toilet Day: Protecting health through safe sanitation

Videos

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13 October 2025

International Lead Poisoning Prevention Week of Action 2025 - message by Ruediger Krech, Director

23 October 2021

WHO’s Science in 5: Lead poisoning prevention

5 June 2023

One in 36 Million: Story of Childhood Lead Poisoning in Bangladesh - 2023 "GRAND PRIX" Better Health and Well-being

health for all - film festival student prize

Our strategy

WHO global strategy on health, environment and climate change: the transformation needed to improve lives and wellbeing sustainably through healthy environments

The new strategy is timely – it responds to and is in line with the 2030 Sustainable Development Agenda and the GPW13.

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Calls for

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5 March 2026

Call for consultant

Call for consultant – Air pollution burden of disease, health statistics and epidemiology

5 March 2026

Call for consultant

Call for consultant – Implementing the WHO road map on addressing the health impacts of air pollution

Publications

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The World report on promoting the health of refugees and migrants: Monitoring progress on the WHO global action plan provides the first global baseline...

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World report on promoting the health of refugees and migrants: monitoring progress on the WHO global action plan: executive summary

The World report on promoting the health of refugees and migrants: Monitoring progress on the WHO global action plan provides the first global baseline...

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Air quality monitoring for enhanced understanding of health impacts and beyond

Monitoring air quality (for example collecting continuous and quality data) is integral and critical to detecting air pollutants and to ensuring information...

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