Michael Dudley

Despite serious environmental, immigration, and security concerns, plans for a limited-access superhighway four football fields wide, from Mexico to Canada, which would incorporate pipelines but bypass U.S. ports altogether, are nearing completion.

Six of the world's fastest-growing megacities are examined in terms of their most pressing problems and what they are doing to address them.

Once a deeply religious province of Canada, Quebec has seen such a steep decline in church attendance that it now faces the dilemma of what to do with some 4,000 places of worship -- some of which are being converted to condos.

Yes! Magazine reports on how cities in North America -- disillusioned with the U.S. federal government's response to Hurricane Katrina -- are seeking their own locally-based solutions to meeting crises and building resiliency.

The battle over how to protect the nation's largest urban garden from redevelopment has gained international attention. It also caused Joan Baez and Daryl Hannah to sit in a tree.