Road surface

Introducing Air-Purifying Pavement

What if a city’s concrete roadways doubled as an air freshener? That’s the dream of a group of Dutch scientists who have developed a product they describe as “air-purifying pavement.” Could the very streets you drive on eat smog? Though the original technology was developed in Japan about 20 years ago, researchers at Eindhoven University […]

The Living on Earth Almanac

The World

Re-designing Cities

Re-designing Cities

The World

Technology Update

The World

Show me the money! The stimulus bill from a lobbyist’s point of view

Global Politics

If the stimulus bill passes the Senate in its current form, $30 billion will be set aside for highway construction. He’ll tell John what the bill looks like from a lobbyist’s perspective.