The Student Sustainability Academy (SSA) kicked off its sustainability discussion series Wednesday, covering topics from carbon footprints to sustainable lifestyles.

Open to the campus community, SSA follows a discussion booklet put together by the Northwest Earth Institute. These topics range from learning how to change consumption habits, reduce transportation and educate people on issues of sustainability.

If Americans continue to live the way they do, they’re going to need at least four earths for every person, participants in the SSA discovered Wednesday. Students calculated their own carbon footprint via the Web site