Humans Stopping Malaria Faster Than Global Warming Is Spreading It


photo: Karunakar Rayker

While global warming is expected to spread tropical diseases into new areas, it appears human action to prevent malaria may be outpacing the spread of the debilitating disease. New Scientist points out a new study coming out of the University of Oxford that examined how much malaria has spread since 1900, when the world was 0.7°C cooler.
The Spatial Limits of P. falciparum Malaria Risk. Areas were defined as stable (dark grey areas), unstable (medium grey areas), or no risk (light grey). Image: PLoS Medicine

In total, the area where malaria is endemic has decreased from 58% to 30%, with the rate of transmission fallen nearly everywhere. That said, though overall area has decreased, malaria may still spread into new areas as our climate changes.

Study author Peter Gething says,

The things acting to reduce malaria spread, like improved healthcare and disease control, are much more powerful than the weak effect of warming.

via: New Scientist
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Tags: Global Climate Change | Global Warming Effects

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