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...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...While it would cost tens of billions to clean up lead in the environment, it would generate a hundred billion in health benefits.