Traffic has fallen 40% across the U.S. — but in many big cities like Los Angeles, Houston and Pittsburgh, air pollution thought to be produced by cars has barely budged. The reason? Trucks, refineries and coal.
Between March 15 and the end of April, NPR's analysis found ozone levels in the Pittsburgh area dropped about 9%, compared with 14% in Los Angeles. Across the coal-intensive Ohio River Valley, the analysis concluded that in major cities, ozone dropped only between 3% and 8%.
The Houston metro area is home to the largest concentration of petrochemical facilities in the country. Residents of Houston, despite a 40% reduction in local traffic, did not breathe significantly cleaner air during the lockdown.The Houston metro area is home to the largest concentration of petrochemical facilities in the country. Residents of Houston, despite a 40% reduction in local traffic, did not breathe significantly cleaner air during the lockdown.
Regulatory rollbacks could make industrial pollution more severe in the future. The Trump administration announced this spring that it will not strengthen limits on soot, despite anAn accidental experiment "That was a somewhat surprising result, that particulate matter is not going down at all," he says."We assume that car traffic does contribute to [small particulate pollution]. It has in the past."
Deutschland Neuesten Nachrichten, Deutschland Schlagzeilen
Similar News:Sie können auch ähnliche Nachrichten wie diese lesen, die wir aus anderen Nachrichtenquellen gesammelt haben.
China sees post-lockdown rise in air pollution: studyChina's levels of some air pollutants have risen back to above last year's levels after dropping when the government imposed strict lockdown measures to contain the coronavirus pandemic, according to a study published on Monday.
Weiterlesen »
8 ways US workers expect their offices to change for the better after the lockdowns end - Business InsiderBusiness Insider is a fast-growing business site with deep financial, media, tech, and other industry verticals. Launched in 2007, the site is now the largest business news site on the web.
Weiterlesen »
Kim Kardashian shows off slimmed-down figure in bra after 7am lockdown workoutsKim Kardashian's 7am lockdown workouts have been paying off as she slimmed down for her latest sultry snap
Weiterlesen »
“RHONY” Star Leah McSweeney Is Obsessed With a $9 Face Wash for Radiant Skin“RHONY” Star Leah McSweeney Revealed the Exact Products Behind Her Radiant Skin
Weiterlesen »
Free ways to enjoy the 'unprecedented levels of media' people are consuming in lockdownWe're consuming unprecedented levels of media to keep us entertained, as a result of the coronavirus lockdown. Here's how to get the entertainment content you want during lockdown for free.
Weiterlesen »