Intended for healthcare professionals


Another inconvenient truth?

BMJ 2006; 333 doi: (Published 14 December 2006) Cite this as: BMJ 2006;333:1256
  1. Julian Crane, professor (heavy carbon footprint, reforming) ( (,
  2. Brent Caldwell, research fellow (light carbon footprint, did all the work)
  1. 1Department of Medicine, Otago University, Wellington, New Zealand.

    Al Gore flew into New Zealand for half a day this week amid protests that he should have come by bicycle or, at the very least, by train. But it did make me think—which, after all, is the point.

    I recently attended the European Respiratory Society's 16th annual congress in Munich, along with 17 239 others. I travelled further than most, and it cost 3700 kg of CO2 just for me. Thankfully, then, …

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