Paul Reiter

The inconvenient truth about malaria

Al Gore has made bold claims that climate change is aiding the spread of insect-borne diseases. The science does not support him, says Paul Reiter

issue 05 December 2009

Al Gore’s film, An Inconvenient Truth, was a masterpiece. Like an elder brother to all humanity, he patiently explained the familiar litany of disasters — droughts, floods, hurricanes, sea-level rise and the rest — spiced with heartrending personal stories: his baby son’s near-fatal accident, the agony of losing a sister to lung cancer. It was a science lecture crafted by Hollywood.

In his book — the version for adults, not the one for schoolchildren — he even included a colour photograph of a corpse, a young man, floating face downward, drowned by Hurricane Katrina. I wonder whether the dead boy’s family were consulted.

I am a scientist, not a climatologist, so I don’t dabble in climatology. My speciality is the epidemiology of mosquito-borne diseases. As the film began, I knew Mr Gore would get to mosquitoes: they’re a favourite with climate-change activists. When he got to them, it was all I feared.

In his serious voice, Mr Gore presented a nifty animation, a band of little mosquitoes fluttering their way up the slopes of a snow-capped mountain, and he repeated the old line: Nairobi used to be ‘above the mosquito line, the limit at which mosquitoes can survive, but now…’ Those little mosquitoes kept climbing.

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