Social networking, everybody’s doing it. We all know who the big guys are, but some prefer a space for online interaction with others of like mind.

Here are our favourite green and ethical social networking sites: – The big daddy of green social networking, has been around since 1998. There are over 7 million users, groups, news, e-cards, petitions. shopping and lots of green living advice.

Zaadz – Zaadz has a new-agey feel to it, but if you’re into that sort of thing, it’s perfect for you. There are over 85,000 members who are interested in the environment, philosophy and spirituality. Features of the site include a community book list of favourite books, an events calendar, zPages for socially conscious businesses listings by area, favorite quotes, and discussion groups called Pods. Each Zaadzster, i.e. Zaadz user, also has a personal area with profile; share videos; photos, books, ideas, quotes, and goals; and their own Zaadz blog. There’s a lot to this site if you can get past the hippyness.

River Wired – RiverWired is a cross between a news aggregator and a social networking site. You’ll find the latest news from a number of excellent blogs, divided into four topics: do good, live green, be entertained, and be well, and users can share videos and pictures, and discuss various issues.

2People – 2People’s mission is to achieve sustainability in one generation. Once you’ve registered you can connect with others, form or join groups, and find or organise events local to you. The idea is that by moving just 2 people you can move a nation, and each user is encouraged to recruit 2 more people.

Razoo – The new kid on the block. Learn about environmental and humanitarian issues. Connect with others who are concerned about the same issues as you are. Take action by setting yourself goals and ticking off your achievements. Check out others’ goals to inspire you.

Other green and ethical social networking sites worth checking out: Actics, Zelixy, Tree-Nation, dianovo, five limes, WorldCoolers, beTurtle and Common Circle.