the Encyclopedia of Earth - http://www.eoearth.org/

The scope of the Encyclopedia of Earth is the environment of the Earth broadly defined, with particular emphasis on the interaction between society and the natural spheres of the Earth

Citizen Science is very good opportunity to General public to participate in real research as amateur scientist. I heard NASA has such projects where citizen can participate in their projects. amateur Scientist are the one's who works in research locations. It's great and enthusiastic opportunity which says that research is collaborative effort.

https://www.openknowledgeworker.org/course/course/260/innercontent.13630.4.1.html

Open KnowledgeWorker provides a comprehensive media database supporting various formats as images, animations, audios, videos, documents, etc

Please watch this

http://vimeo.com/54401864