Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
A House of Commons committee has thrown new light on the ways in which British governments too often make bad decisions, especially where technical matters are concerned.
Last week's successful review conference of the Montreal Protocol on ozone would have served an even better purpose by spending more time on verification and compliance.