• LOI: 09/17/2020
  • Proposal: 11/15/2020


  • Amount: Up to $1.6M
  • Duration: 2-5 years


The CNH2 Program supports research projects that advance basic scientific understanding of integrated socio-environmental systems and the complex interactions (dynamics, processes, and feedbacks) within and among the environmental (biological, physical and chemical) and human (“socio”) (economic, social, political, or behavioral) components of such a system. The program seeks proposals that emphasize the truly integrated nature of a socio-environmental system versus two discrete systems (a natural one and a human one) that are coupled. CNH2 projects must explore a connected and integrated socio-environmental system that includes explicit analysis of the processes and dynamics between the environmental and human components of the system.

PIs are encouraged to develop proposals that push conceptual boundaries and build new theoretical framings of the understanding of socio-environmental systems. Additionally, we encourage the exploration of multi-scalar dynamics, processes and feedbacks between and within the socio-environmental system.

Projects that are of interest to a range of sciences and extend across the human and environmental sciences are encouraged. Narrow case studies and projects that are entirely empirical or mostly applied should be avoided. Proposals should present novel, clear, and non-trivial hypotheses (or pose cogent research questions) that can be tested using a scientifically sound research design that employs established or innovative new methods, or a strong integration of several methods. Projects likely to improve capabilities for predicting the responses of integrated systems to endogenous and exogenous changes, including appropriate estimates of uncertainty in model predictions, are encouraged.

Eligibility & Submission Requirements

An individual may be listed as a PI or co-PI on no more than one proposal submitted in response to this solicitation per annual competition. Proposals exceeding the limit for any person will be returned without review in the reverse order received. There is no limit on the number of proposals on which an investigator may be listed as Lead of a Subaward or as Other Senior Personnel.

Contact Information

Cognizant Program Officer(s):

Please note that the following information is current at the time of publishing. See program website for any updates to the points of contact.

  • Jeffrey W. Mantz – Lead PO, telephone: (703) 292-7783, email:
  • Elizabeth R. Blood – Lead PO, telephone: (703) 292-4349, email:
  • Richard F. Yuretich – Lead PO, telephone: (703) 292-4744, email: