Montzka is on the frontlines of a global effort to track the health of the ozone layer, the invisible shield that protects ...

Spain’s initiative to revive the Mar Menor, Europe’s largest saltwater lagoon, by reducing pollution and restoring ...

Ahead of the International Day of Clean Air, here’s a look at what causes air pollution, what it does to people and how the ...

Online. Register here.This webinar is part of a Dialogue Series titled Synergistic Action for Nature and Climate under the ...

Prior to the working meeting, UNEP visited Guatemala in June 2025 to assist MARN and MSPAS in reviewing Guatemala’s air ...

Introduction In the lead-up to the Seventh Session of the United Nations Environment Assembly (UNEA-7) and other key regional ...

Once among world’s most-polluted cities, Mexico City has made major strides in air quality through policy, technology and ...

Plastic pollution permeates every corner of the planet—even in our bodies in the form of microplastics. World Environment Day 2025 called for collective action to tackle plastic pollution.

UNEP's International Methane Emissions Observatory (IMEO) will host a technical workshop on methane emissions in Astana, ...

In an era marked by unprecedented geopolitical challenges and multiple crises, the need for robust multilateral cooperation ...

UNEP’s International Methane Emissions Observatory (IMEO) is organizing a workshop to strengthen national and provincial ...

UNEP’s International Methane Emissions Observatory (IMEO) will host a workshop on Measurement, Reporting and Verification ...