Latest news
ICOS launches redesigned website
ICOS is pleased to announce the launch of its newly redesigned website. The new website design implements a streamlined navigation system and an image-led design that puts ICOS data and services…
ICOS Station Network
ICOS stations are coordinated and run by the ICOS National Networks in 16 member countries. Stations in the National Networks operate in three distinct domains: Atmosphere, Ecosystem and Ocean.



ICOS Curve
The ICOS Curve, an interactive web service, shows the dynamics and trends in CO2 levels in the atmosphere above Europe. It allows for comparing CO2 levels from different ICOS Atmosphere stations with European and global averages.
Upcoming events
ICOS Talks: Reconciling the carbon balance of managed boreal forests using integrated bottom-up and top-down approaches
April 1st 2026 Learn moreHighlights
ICOS Science Conference 2026

NUBICOS project

ICOS Talks are back

ICOS Cities project


ICOS Carbon Portal
ICOS Carbon Portal offers free access to high-quality and standardised greenhouse gas data, as well as to scientific and educational products and services. The Carbon Portal is a ‘one-stop shop’ for all ICOS data products.
Carbon Portal manages data security, enforcement of the ICOS data policy, with user-friendly (and machine-friendly) internet- and other computer-network based interfaces. It organises long-term archiving of ICOS data products to guarantee their safe storage, future access and easy re-use.