07 MAR 2015 by ideonexus

 How Los Angeles Regulates Air Pollution

Los Angeles is not really a city of skyscrapers. All around those skyscrapers is a flat expanse of one- and two-story buildings. This low-density urban development means you have to drive to get around in LA. Los Angeles’ sprawl is considered a classic case of failed urban planning.Los Angeles’ sprawl is considered a classic case of failed urban planning. Its public transportation has not been developed or utilized to its fullest potential. This has caused an inevitable increase in car o...
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Despite increased traffic.

24 JUL 2013 by ideonexus

 Cost Benefits of Lead Cleanup

It's difficult to put firm numbers to the costs and benefits of lead abatement. But for a rough idea, let's start with the two biggest costs. Nevin estimates that there are perhaps 16 million pre-1960 houses with lead-painted windows, and replacing them all would cost something like $10 billion per year over 20 years. Soil cleanup in the hardest-hit urban neighborhoods is tougher to get a handle on, with estimates ranging from $2 to $36 per square foot. A rough extrapolation from Mielke's est...
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While it would cost tens of billions to clean up lead in the environment, it would generate a hundred billion in health benefits.