Science
See all![](https://webarchive.unesco.org/web/20151217024237im_/http://www.ceh.ac.uk/sites/default/files/styles/ceh_large/public/Biosphere_atmos_Primary.jpg?itok=TfEpF2yd)
Studying the exchange of gases and aerosols between the Earth’s surface and the atmosphere
![](https://webarchive.unesco.org/web/20151217024237im_/http://www.ceh.ac.uk/sites/default/files/styles/ceh_large/public/EcoProcessAndResil_primary.jpg?itok=7o1dWqCc)
Helping to maintain ecosystems and the delivery of ecosystem services
![Photo - Shutterstock Photo - Shutterstock](https://webarchive.unesco.org/web/20151217024237im_/http://www.ceh.ac.uk/sites/default/files/styles/ceh_large/public/ScienceAreaBlocks_EnvironmentalInformatics_Primary_Shutterstock.jpg?itok=zp_NILiB)
We possess unique, long-term and large-scale datasets that describe the state of the environment
Services
See all![](https://webarchive.unesco.org/web/20151217024237im_/http://www.ceh.ac.uk/sites/default/files/styles/ceh_large/public/lcm2007-ni-270x200px_0.jpg?itok=sMrzfenn)
A range of hydrological and land cover datasets available under licence for commercial, non-commercial and academic use
Blogs
See all 15th Dec 2015
CEH's Professor Mark Sutton acts as expert witness to Parliament
15th Dec 2015
Outputs of December 2015 Science Workshop
14th Dec 2015
CEH's Rob Griffiths updates us on his work