NASA, ESA Finalize Agreements on Climate, Artemis Cooperation NASA Administrator Bill Nelson and ESA (European Space Agency) Director General Josef Aschbacher signed two agreements Wednesday at the ESA Council meeting in Noordwijk, Netherlands, further advancing the space agencies’ cooperation on Earth science and Artemis missions. http://www.nasa.gov/press-release/nasa-esa-finalize-agreements-on-climate-artemis-cooperation