Intergovernmental Panel on Climate Change (IPCC) in Interlaken

The Intergovernmental Panel on Climate Change (IPCC) has approved the Synthesis Report of its 6th reporting cycle. Only with ambitious climate protection can global warming be limited to 1.5 °C by the end of the century.

More about the 6th IPCC Report

Environmental report 2022

Teaser ub22

Environmental report 2022

The report «Environment Switzerland 2022» presents an overview of the current state and trends of the environment in Switzerland and of Switzerland’s environmental impact. It assesses the measures taken by the federal government to improve the quality of the environment and identifies areas in which further action is required.

Lake temperature

Brennpunkt Temperaturmessbojen

Swiss lakes: New stations monitor water temperature in real time

14.11.2022 - The FOEN launched a pilot project to record the water temperature of individual lakes using automatic data buoys. This data is freely available. Experts will assess the feasibility of extending temperature monitoring to other lakes. Knowing about changes in lake temperatures is crucial to better understanding the lake ecosystem and makes it possible to monitor the effects of climate change.

Environmental Law


Swiss Environmental Law

This publication provides an overview of the diverse body of Swiss environmental legislation that has evolved over recent decades.

Invasive alien species

Invasive alien species in Switzerland

This publication provides an inventory of the alien species that have become established in Switzerland, including those which may be detrimental (i.e. invasive alien species). In addition to outlining the regions of origin and introduction pathways, it shows how their numbers have evolved over time. A total of some 1300 established alien species are known, of which 197 species are considered invasive.



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More about the FOEN


Environmental reports

Environmental reports provide an overview of the environment's status, trends and prospects in Switzerland



The indicators illustrate the changes and state of the environment using a selection of parameters.


Web-GIS of the FOEN

Internet platform for location-based information, data and services on the basis of maps.

Environmental data and geodata

Data, monitoring programmes and measurement networks of the FOEN

Socialmedia & Newsletter

Social Media & Newsletter

Would you like to be kept informed of what is happening at the FOEN? You can find out quickly and easily via the following channels.