This is the Green Outreach! Wikispace, for use in this team's collaboration.
From Wikipedia "A wiki is a page or collection of Web pages designed to enable anyone who accesses it to contribute or modify content..." so that's what we'll do! If you've used a wiki before, great, if not there are a few things that you can do to make your stay here more enjoyable.
First: There are two little icons on the right hand side of this page. Selecting the star makes it a favorite (which allows you to get to it easily from the dashboard). Selecting the envelope means that you are following the space, which will send you emails when content is updated. If you select the envelope, you may get a lot of email as this group is hopefully going to be prolific! But it DOES allow you to see what is going on in the space and it does keep you informed. It's your choice, but unless you are disciplined enough to check the wikispace often, I'd select the envelope. (Can you tell, I'm not disciplined?)
Second: Wikis are organized by "Pages" which can be sub-pages or collections of pages. The child pages that you see at the bottom of THIS page are all containers intended to contain information in THEIR subpages and so on. If you want to add a page, select the Edit button at the top of this page, then "New-> Page". If you look at the breadcrumb navigation it will tell you the subpage that you are on. Pages can be moved, so if you create something at the "Home" level that really belongs under "Topics", it can be moved (but that's another topic of discussion - I just wanted to give you an idea of how it worked).
Third: Wikis are normally edited by people just pitching in and changing things - don't be afraid to, because it keeps the version that existed (so you can track changes) and gives you a history of who made the change. Since we are using this space as a collaborative workspace, I would advise you to also use it as a blog or forum, so we can have conversations about the different topics using the comment buttons that are at the bottom of every page.
Fourth: Your profile pic - Make your experience in the wiki fun by adding your profile picture - Go to View->Account->Preferences and select profile. Edit your profile picture there by browsing to an icon that you make on your desktop, and upload it!
Beyond that there are many things you can do with a wiki but those are the basics. ITS does have a wikispaces help at https://wikispaces.psu.edu/display/tips/Home that can help you with more advanced and in detail comments