Climate observations inform about the past and present state of the climate system. They underpin climate science, feed into policies for adaptation and mitigation, and increase awareness of the ...

C3S provides access to essential climate variables (ECVs) from multiple sources to a broad set of users ranging from scientists to private companies and decision-makers.

Climate scientists are increasingly alarmed about losing access to essential data about the planet as the administration of US president Donald Trump pursues an overhaul of US federal agencies. This ...