Here are some useful websites you might not find using Google:
National and International organizations providing Civil and Environmental Engineering resources:
If you need to find an expert on your research topic, a good place to start is the Bucknell Digital Commons, which includes a collection of research papers written by Bucknell faculty from the College of Engineering:
You can even search within this collection by keyword, for example "solar."
Patents issued by the United States Patent Office can provide a wealth of technical information on products and processes.