Two Billion Cars: Driving Toward Sustainability

Today there are over a billion vehicles in the world, and within twenty years, the number will double, largely a consequence of China's and India's explosive growth. Given that greenhouse gases are already creating havoc with our climate and that violent conflict in unstable oil-rich nations is on the rise, will matters only get worse? Or are there hopeful signs that effective, realistic solutions can be found? Blending a concise history of cars and their impact on the world, leading transp...