It calls for scientific justification before stopping and then reversing the growth of greenhouse gases.

NPR: Bush, Britain and Greenhouse Gases

But at the inquiry he revealed that his statement should have read that "there is no scientific justification for not eating British beef".

BBC: Medical officer tells of BSE secrecy

But Farmers' Union of Wales President Bob Parry said he wanted to see scientific justification for killing healthy animals, to ensure it was not being done for political reasons.

BBC: Show doubt as outbreaks reach 20

In 2008, the 193 Parties to the Convention on Biological Diversity (CBD) decided that no further ocean fertilization activities for whatever purpose should be carried out in non-coastal waters until there was stronger scientific justification, assessed through a global regulatory mechanism.

UNESCO: MEDIA SERVICES

This, it said, lacked any scientific or historical justification.

ECONOMIST: Pluto out in the cold