Access

Published online 19 March 2008 | Nature | doi:10.1038/452266a

Revised ozone standard angers environmentalists

Comments

Reader comments are usually moderated after posting. If you find something offensive or inappropriate, you can speed this process by clicking 'Report this comment' (or, if that doesn't work for you, email redesign@nature.com). For more controversial topics, we reserve the right to moderate before comments are published.