CPD's Public Interest website This is a great place to start! These pages will give you an overview of what a public interest career is, how to build one, and all the resources available to you. This site links you to lots of outside pages.
PSLawNet - Comprehensive list of fellowship and employment opportunities
Government Honors Handbook (email CPD for the password) - contains both federal and state government clerkship and post graduate job opportunities.
Continuing Legal Education Seminars (CLEs) are a great opportunity to learn more about a legal practice area in which you are interested and they are often free for law students. You can list them on your resume to show areas of interest and additional training. They can also be a wonderful way to meet practicing lawyers in different areas. Many different bar related organizations sponsor CLEs.
Click on the following links to see upcoming CLEs sponsored by: