| Cities are taking steps to combat climate change, given the scant progress made by international treaty negotiations. Los Angeles, California, home to around 4 million people, has one of the most ambitious targets: to reduce greenhouse-gas emissions by 35% below 1990 levels by 2030.
The city has calculated its carbon 'footprint' and found that road vehicles constitute 47% of total carbon dioxide emissions, and that electricity consumption constitutes 32%1. So how should Los Angeles target its policies? Knowing that certain roads, types of vehicle or parts of a city dominate road emissions and why people drive at specific times would tell city planners where and how to lower emissions efficiently...............................................Full Article: Source
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