Nate Berg

<p>More than 57,000 square miles of land in Brazil's Amazon rainforest were recently set aside to be protected from unsustainable logging and development. The area will be the largest protected rainforest area in the world.</p>

<p>A recent trip to New York's Hudson River Park has opened the eyes of Philadelphia residents looking to redevelop their city's waterfront along the Delaware River. But in comparing the waterfronts of the two cities, Philly's lacks a sense of purpose.</p>

<p>The city council in Oxford, England, is considering replacing what's left of its local businesses and public spaces with city-revenue-generating corporate chains and retail outlets.</p>

<p>Canada tries out traffic roundabouts in an effort to reduce traffic in some of the country's busiest areas. Some cities are reluctant to replace traffic lights with roundabouts because of safety concerns.</p>

<p>Restoring and redeveloping aging piers in San Francisco is helping to create a vibrant pedestrian promenade. But some feel the costs and developmental restrictions associated with the renovations are hindering the full potential of the area.</p>