Worth noting that LA’s air continues to get better…

Worth noting that LA’s air continues to get better, and the region has seen a *90% reduction in particle pollution* over the 17 years the report has been running.

LA Still Has Nation’s Unhealthiest Air, But There’s Reason to Breathe Easier

Los Angeles continues to earn its reputation for smog, but air pollution dropped to the lowest level in 17 years of monitoring.

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Interesting graph of LA smog trends from 1976 through 2012. Note the general downward trend …

Interesting graph of LA smog trends from 1976 through 2012. Note the general downward trend despite the fact that we have *more cars* on the road now than we did 40 years ago.

Source: Q&A: 25 years and counting of Metro Rail, part two

Comment from Tal: I guess those big exhaust fans in the hills are working. Oh you thought they were generating electricity huh?

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