Below are some general web links for finding grant opportunities. Depending on your program or initiative, you may have better luck doing a Google search for "grant opportunities" + the keyword(s) related to your proposed topic.
Grant Seeking in Higher Education by 
The Only Grant-Writing Book You'll Ever Need by 
Creating Winning Grant Proposals by 
How to Say It - Grantwriting by 
The Foundation Center's Guide to Proposal Writing by 
The Complete Book of Grant Writing by 