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The Conversation
The Conversation
Amitrajeet A. Batabyal, Distinguished Professor, Arthur J. Gosnell Professor of Economics, & Interim Head, Department of Sustainability, Rochester Institute of Technology

Resources to save 'every creeping thing of the earth' are limited. What would Noah do?

The Noah's Ark Problem: figuring out which species to conserve with limited resources. JoeLena/Getty Images

The annual United Nations Climate Change Conference, better known as COP, that starts Nov. 30 in the United Arab Emirates will bring together governments, businesses, international organizations and NGOs to shine a spotlight on the climate emergency the world faces and consider solutions to the crisis. The alarming rates at which we are losing species is not just a tragedy of epic proportions – the destruction of biodiversity also robs humanity of one of its strongest defenses against climate change.

Retaining the earth’s diverse mix of animals and plants is crucial for the planet’s future, yet any plan to halt its loss must grapple with the reality that not every species can be saved from extinction because of the limited resources we have for biodiversity conservation. By one estimate, about US$598 billion to $824 billion is needed annually to reverse the loss of species worldwide.

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