How the Climate Crisis Could Spark the Next Pandemic

As the U.S. COVID death toll approaches 1 million, we turn now to look at how the climate emergency could spark the next pandemic. A new study published in Nature shows the climate crisis and urban sprawl is forcing many wild mammals to relocate to new habitats where they interact with new species, including humans, leading to more viruses spilling over from one species to another. The researchers say this shuffling of viruses in mammals has already started and will increase as the Earth continues to warm.

what they did was to look at maps of where some 3,000 mammal species are now and where they’re likely going to be in warmer worlds under various conditions of projected warming. And then they will take different pairs of mammals and look at where those ranges overlap in ways that they currently don’t, and then predict how often those overlaps will lead to the kinds of spillovers that I’ve talked about. It’s a huge effort. No study like this has been attempted before, and it took them three years, over the course of the current pandemic, to do it.

But the results are very stark and quite grim. So, for example, it turned out that the hot spots for future spillovers are going to lay in the tropics, areas that are diverse in species and tend to be quite mountainous, so a lot of tropical Africa and Southeast Asia. They’re going to proportionately happen in areas that are basically in humanity’s backyard, areas

— source democracynow.org | Apr 29, 2022

Nullius in verba


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