Citizen science is a hot topic right now and will only grow over time. Citizen science projects are studies where non-professional scientists help with the research. You can get involved in citizen science projects in a number of ways. Sometimes the work is online and on other occassions it involves hands-on field observations. It’s totally up to you and your interests.
This post is a quick run-down of the types of projects for citizen scientists, ranging from crowdsourcing for online analysis of data to DIY science.