Nitrogen from agriculture, vehicle emissions and industry is endangering butterflies in Switzerland.

Conditions during herring spawning may have cascading effects on the whole Baltic ecosystem.

In many parts of the world, mosquitoes are a common summertime nuisance.

For the second year in a row, drought has overtaken much of the United States from the Rocky Mountains to the Pacific Coast.

A new study using satellite evidence confirms that a rock and ice avalanche caused the Chamoli disaster in India earlier this year. The resulting mud and debris flood led to massive destruction downstream.

The year to date remained among the top-10 warmest

For some, marine debris may simply be an unsightly inconvenience, but for many people around the world it is a critical problem that can affect all aspects of life.

Climate change exerts great pressure for change on species and biodiversity. 

Every year, landslides – the movement of rock, soil, and debris down a slope – cause thousands of deaths, billions of dollars in damages, and disruptions to roads and power lines.

Soot particles from oil and wood heating systems as well as road traffic can pollute the air in Europe on a much larger scale than previously assumed.