I think all of the CB people that attended the workshop will agree... you have got to check out CHANGE Viewer ASAP...
The Climate Change and Human Health project is designed to provide educators with the resources to engage high school students in critical thinking about climate change and the potential impact on human health across the planet. Activities developed for this project all use an interactive geospatial globe called CHANGE Viewer, to view and access climate and human related datasets.
This article highlights some Citizen Science projects that you may want to get involved with personally and/or with your students. Links to websites are provided.
There are all sorts of projects for monitoring organisms including but not limited to birds, frogs, fish, ladybugs, plants, even horseshoe crabs!