Heat Deaths

Both India and Pakistan have experienced killer heat waves this summer. Pakistan's most recent one has already killed 800. Although the subcontinent's contribution to the world's excess CO2 has so far been small, it's population is among the most vulnerable to global warming.

It is a cruel irony that the most useful thing for coping with the heat - more reliable electricity - is also likely to exacerbate future warming, as much of the future increase in emissions is likely to come from the developing world.

Rapid development of low carbon energy sources is needed, and that probably means nuclear.

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