An SEI Climate Corps Fellowship provides professional development opportunities for emerging leaders through the implementation of sustainability and resiliency projects with local governments, nonprofits, and for-profit businesses. Climate Corps is a full-time, 10-month fellowship program. Climate Corps is a full-time, 10-month fellowship program. Along with extensive personal development and training, fellows receive a modest stipend and other benefits. The Fellowship typically begins in early September and ends in June. Applications are accepted on a rolling basis: submit applications as soon as possible in order to receive priority placement consideration.