Publications

Latest publications

Stay up to date with the latest public outreach reports, bulletins and other publications released by WMO.

A wide, muddy river separates two densely built urban areas, surrounded by green vegetation and patches of cloud cover, as seen from above.

State of the Climate in Africa 2025

A scenic landscape with mountains, rolling hills, and mist covering the valley under a partly cloudy sky at sunrise.

State of the Climate in Asia 2025

Calm water reflects a colorful sky with scattered clouds at sunset, creating a peaceful and open landscape.

El Niño/La Niña Update (May 2026)

A solitary tree stands in a dry, grassy field with sand dunes and snow-capped mountains in the background under a partly cloudy sky.

Global Annual to Decadal Climate Update 2026-2035

Sun rays break through clouds over a city skyline with high-rise buildings, casting a warm golden light on the urban landscape below.

State of the Climate in Latin America and the Caribbean 2025

A stylized diagram of a branching white line with multiple orange and a few pale green circles against a teal background.

European State of the Climate 2025

Numerous small boats float on a calm body of water, surrounded by distant hills under a clear sky at either sunrise or sunset.

State of the Global Climate 2025

The sun sets over a calm ocean, with gentle waves in the foreground and a pinkish sky on the horizon.

El Niño/La Niña Update (February 2026)

A row of wind turbines stands along a sandy coastline with mountains and blue sky in the background.

13 January 2026

2024 Year in Review: WMO–IRENA Climate-driven Global Renewable Energy Resources and Energy Demand Review

Colorful sunset over the ocean with waves crashing against rocks in the foreground and partly cloudy sky filled with vibrant hues of orange, pink, blue, and purple.

4 December 2025

El Niño/La Niña Update (November 2025)

A hand holds a smartphone displaying a weather radar map in front of a yellow background with the word "WARNING" in bold black letters.

12 November 2025

Global Status of Multi-Hazard Early Warning Systems 2025

Dry, cracked earth in the foreground with sparse vegetation, a receding body of water in the middle ground, and hills under a cloudy sky in the background.

6 November 2025

State of the Climate Update for COP30

Publication series

Explore WMO's flagship publication series, featuring reports, bulletins and updates on weather, climate, water and related sciences.

State of the Climate

Mountains

State of the Global Climate

Smoke from heating station in big city during winter season at sunset.

State of the Climate Update for COP

State of the Climate in Africa 2021

State of the Climate in Africa

State of the Climate in Asia 2021

State of the Climate in Asia

iceberg with a sunset

State of the Climate in Europe

State of the Climate in Latin America and the Caribbean in 2021

State of the Climate in Latin America and the Caribbean

Clear blue water with submerged coral in the foreground, a lush green island with mountains and a blue sky with clouds in the background.

State of the Climate in the South-West Pacific

A large glacier with blue ice in the water.

The State of the Global Climate - Decadal Reports

A frozen waterfall cascades over rocks into a lower body of water, surrounded by snow-covered trees and cliffs in a scenic winter landscape.

WMO Global Annual to Decadal Climate Update

Climate Services and Water Reports

A calm body of water reflects the pastel colors of a sunrise or sunset, with a horizon line separating the sky from the water.

El Niño/La Niña Updates

2022 State of Climate Services - Energy Report

State of Climate Services

A sprawling solar farm and wind turbines under a colorful sunrise sky, showcasing renewable energy technology amidst a foggy landscape.

WMO-IRENA Renewable Energy Reports

Child standing near a dry lake holding a kite

State of Global Water Resources

Early Warnings

a couple of people walking down a dirt road

Atlas of Mortality and Economic Losses from Weather, Climate and Water-related Hazards

A man standing next to a colorful boat on the beach.

Global Status of Multi-Hazard Early Warning Systems

Atmosphere and Environment

landscape from above in the early morning in the fog

Greenhouse Gas Bulletin

The skyline of los angeles is covered in fog.

WMO Air Quality and Climate Bulletin

A cloud of dust in the desert with mountains in the background.

WMO Airborne Dust Bulletin

Three people stand on a wooden platform as a large white weather balloon with attached equipment ascends into the sky over a grassy, hilly landscape.

WMO Ozone and UV Bulletin

WMO Co-led Reports

Three construction workers are silhouetted against an orange sunset sky as they work on a building framework.

Climate change and workplace heat stress

Downtown city skyline with tall buildings partially obscured by smog, seen from a distance above residential and commercial areas.

Integrating Low-Cost Sensor Systems and Networks to Enhance Air Quality Applications

A serene icy landscape shows snow-covered mountains reflecting in the calm waters of a narrow waterway, with floating ice chunks scattered throughout.

Hydromet Gap Report

Satellite view of a swirling cyclone over the ocean with curved white clouds and deep blue water beneath.

Catalysing Business Engagement in Early Warning Systems