Not so puzzling


  1. 1

    Nature 365, 697 (1993).

  2. 2

    BP Statistical Review of World Energy (BP, London, 1993).

  3. 3

    Grubb M. et al. Energy Policies and the Greenhouse Effect, Volume II: Country Studies and Technical Options Appendix 2. (Dartmouth/RllA, Aldershot, 1991).

    Google Scholar 

Download references

Author information



Rights and permissions

Reprints and Permissions

About this article

Cite this article

Grubb, M. Not so puzzling. Nature 368, 489 (1994).

Download citation

Further reading


By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.


Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing