Photo: Daniela Avila / Unsplash
Pollution from human activity threatens both human health and vital ecosystems. SEI looks at issues of air pollution from household up to global levels, for example how pollution links to climate mitigation, urbanization and public health, and the potential role of citizen science in pollution monitoring.
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Feature / Over the past 15 years SEI has successfully put methane on the agenda of many country governments.
Feature / SEI researchers presented key insights and next steps for the African Clean Air Program (ACAP) Roadmap in Accra, Ghana.
Feature / A new three-year agreement aims to accelerate the green transition of the semiconductor industry through innovation and sustainable practices.
Feature / SEI spotlights coastal resilience and ocean governance at UNOC 2025, bridging science, policy and local action.
Feature / SEI will contribute to the development of the Nairobi City County Air Quality Action Plan (2025–2029).
Past event / UNEP, SEI and Athletics Kenya have collaboratively supported air quality awareness campaigns.
SEI brief / This SEI brief highlights how Indonesia can reduce greenhouse gas emissions and air pollution from road transportation, potentially leading to health benefits.
Other publication / SEI experts informed the 2025 version of the Carbon Offset Guide, a resource to learn about carbon credits and mitigating greenhouse gas emissions.
Journal article / SAMHE data shows that particulate matter levels in UK schools are heavily influenced by outdoor air quality.









