Income equality is for the birds

New study links biodiversity loss to economic inequality

Posted by Eric de Place (Guest Contributor) at 9:55 AM on 02 Aug 2007

Read more about: biodiversity

It's increasingly well documented that income inequality matters for a variety of reasons: among them, it has negative effects on public health and social capital. So it was interesting to read a recent study from researchers at McGill University in Quebec. They found that income inequality is also linked to biodiversity loss.

Examining 45 of the U.S. states and 61 countries, they concluded:

Among both countries and states, we found striking relationships between income inequality and biodiversity loss ... societies with more unequal distributions of income experience greater losses of biodiversity ... a 1% increase in the Gini ratio is associated with an almost 2% rise in the number of threatened species.

A Gini ratio, by the way, is the most common measure of income distribution.

Naturally, it remains to be seen whether there is a causal link between the two factors. Still, it'd be interesting to see more research in this avenue. If income inequality does, in some sense, cause biodiversity loss, it might suggest that conservation strategies go hand-in-hand with development strategies.

(Hat tip to Kevin Connor, who clued me in to this article.)

For story: Income equality is for the birds
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