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Volunteers in Philadelphia Help Toads Mate

Spring means breeding season for toads and, in Philadelphia, that means closing off a city street so the tiny creatures are safe from traffic as they seek their mates. Each year for the month of April, 150 volunteers organize the Toad Detour

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Philadelphia Graffiti Wiped Out With Thousands of Artist Murals

Twenty-six years ago, Jane Golden took to the streets of Philadelphia with a small contingent of helpers and the goal of wiping out the city's ugly graffiti. Today, 3,000 walls later, her work has become the nation's largest public art program, with a staff of 50 – many of whom are former graffiti artists themselves.

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Jon Bon Jovi Opens New Housing for Homeless Teens in Philadelphia

Philadelphia's mayor joined Jon Bon Jovi and formerly homeless youth in a special ribbon cutting ceremony this week for a new 10-unit apartment house for youth in need of transitional homes, job training and experiences that help them become responsible adults.

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A Green Leader, Philadelphia Captures Water Where it Falls

Every year storm-water run-off causes nearly 10 trillion gallons of polluted water to be dumped into America's rivers and oceans. As cities across the country struggle to comply with federal regulations surrounding pollution, Philadelphia is emerging as a model of innovation in water management by opting for cost effective natural solutions that save its two rivers from excessive run-off.

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Paris Eyes Plan for Drivers to Share Electric Cars

The citywide bike-sharing program embraced by Parisians and tourists that started one year ago was so successful that the mayor is proposing a four-wheeled version, using electric cars.

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Paris Launches Green Transport Citywide (Video)

Electric trams, low-cost bicycle rentals, dedicated bus lanes and, before long, commuter buses. Paris has pulled out all stops in its efforts to offer environmentally friendly ways of getting around town.

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Paris Digs Deep to Harness Earth's Energy

Paris is digging deep -- nearly two kilometres deep -- to tap into hot water that will provide ecologically clean heating for the city creating geo-thermal energy

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Heat From Paris Metro and its Travelers Will Warm Housing Project Above

Heat from trains moving along tracks in the Parisian metro combined with the warmth generated by human bodies will help heat a public housing project in the city center.