Global Change Information System

Connecting global change resources.


Featured report : The Third National Climate Assessment


Who we are, what the GCIS is, and how we use identifiers and semantic information to provide points of reference and traceability.


Examples and tutorials for using this system as a researcher, citizen scientist, application developer or information theorist.

Data model

A description of how the information is structured, including the overlaps between relational and semantic representations of the information.

API reference

Complete documentation for the API, including methods for browsing and finding resources.