Brian Stewart, associate professor of physics, led this second annual "Earth Week Rant" April 23 in Exley Science Center. The event was open to the Wesleyan and broader communities.Stewart focused his "rant" on the connection between resource depletion, pollution including global warming, and population growth. Here, Stewart discusses the Canadian and U.S. natural gas resources and reserves.Stewart decided to establish his annual tradition in recognition of the urgent need for discussion of these critical issues. He regards the nearly full house of attendees from the Wesleyan and broader communities as evidence of the popular appetite for information on resource, pollution and population issues.(Photos by Olivia Bartlett)