New standards will lower the legal limit of the smog-causing pollutant from 75ppb to 70ppb
The US government has announced a new national limit for ground-level ozone, in the latest move by the Obama administration to push through more ambitious environmental regulations. The new rule, unveiled...
To continue reading this article...
Join BusinessGreen
- Enjoy exclusive news, insights and analysis from Europe’s leading source of information on the green economy and business.
- Make smart, responsible business decisions with an eye on the latest regulatory and tech developments
- Stay in the know with our overnight briefing, expertly curated help you run a competitive and sustainable business
- Tap into our extensive archive of exclusive articles, news, analysis and guides
- Choose from 3 paid membership levels or start a 7-day no strings trial
