Biologists’ alarm bells ring louder Nigel Williams Current Biology Volume 15, Issue 22, Pages R902-R903 (November 2005) DOI: 10.1016/j.cub.2005.11.002 Copyright © 2005 Terms and Conditions
Signed up: Paul Martin, the prime minister of Canada, will head new talks on greenhouse gases. (Picture: EMPICS.) Current Biology 2005 15, R902-R903DOI: (10.1016/j.cub.2005.11.002) Copyright © 2005 Terms and Conditions
Enclosure: Experiments inside looking at the effect of changes in greenhouse gas concentrations that suggest possible increases in productivity may have failed to reveal what might be the case outdoors. (Picture: Maximilian Stock Ltd/Science Photo Library.) Current Biology 2005 15, R902-R903DOI: (10.1016/j.cub.2005.11.002) Copyright © 2005 Terms and Conditions