food security

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Two views on human impact of climate change

Researchers at McGill University have mapped out the longer-term impact of climate change on human health and well-being.

If populations continue to increase at the expected rates, the McGill researchers report, those who are likely to be the most vulnerable to climate change are the people living in low-latitude, hot regions of the world, places like central South America, the Arabian Peninsula and much of Africa.

In these areas, a relatively small increase in temperature will have serious consequences on a region’s ability to sustain a growing population. Here’s a direct link to the map (below is screen grab):

McGill University

Human vulnerability to climate change

On a related note, here’s a recent post from my NPR colleague Heather Goldstone at Climatide providing “Two reasons why climate change could be bad for your health.”

One of the reasons is that it could increase bacterial outbreaks, as Heather notes appears to be happening with cholera worldwide. As I’ve noted before, there are some (though a minority) of scientists who believe Haiti’s cholera outbreak was fueled by climate change. The medical community is not trained to think of environmental contributors to human disease, but climate change may require a more interdisciplinary approach.

Unrest in Egypt is also about food, which is about climate change

With Egypt and much of the Arab world in turmoil, it’s important to consider all of the dynamics and driving forces at work here.

The uprising is not (never is) just about freedom and democracy. It’s not (despite those who keep saying it is) an Islamist revolution akin to what happened in Iran. It’s both more basic and complex than that.

Al Jazeera

Taking a break, Cairo

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Eat insects — fight climate change

Flickr, Lida Rose

Focus on food, grasshopper

Now here’s an interesting suggestion, and perhaps not as bizarre as it might sound at first glance.

In SciDev.net, Benjamin Kolb reports on the push to farm insects instead of cows and other large mammals as an alternative source of protein-rich food that could help mitigate hunger in poor countries while also fighting climate change.

Kolb cites Dutch researchers who say:

Compared to cattle, weight for weight, insects emitted 80 times less methane — a gas with 25 times more impact on global temperature levels than carbon dioxide.

And crickets produced 8–12 times less ammonia than pigs.

According to the study’s lead author, Dennis Oonincx, an entomologist from Wageningen University in the Netherlands, 80 per cent of the world’s population eats insects, particularly in the developing world.

And for those put off by the idea that we should consider incorporating into our diets more beetles, locusts and crickets, consider the lobster. It’s really just an extra large, and very tasty, insect.