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What is the evidence for planetary tipping points?
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posted on 2023-05-24, 05:04 authored by Barry BrookBarry Brook, Ellis, EC, Jessie BuettelJessie BuettelAs living standards, technological capacities, and human welfare have continued to improve, concerns have mounted about possible natural limits to economic and population growth. Climate change, habitat loss, and recent extinctions are examples of impacts on natural systems that have been used as markers of global environmental degradation associated with the expanding influence of humans (Barnosky et al., 2012; McGill et al., 2015). Past civilizations have faced rapid declines and even collapsed in the face of regional environmental degradation, drought, and other environmental challenges (Scheffer, 2016; Butzer and Endfield, 2012). This begs the question of whether long-term societal relationships with the planet’s ecology may be approaching a global tipping point as the human population hurtles toward ten billion people. If this is indeed the case, the future of both biodiversity and humanity hangs in the balance. The hypothesis is that without urgent action to prevent reaching a global tipping point, the natural life support systems that sustain humanity may fail abruptly, with drastic consequences.
Funding
Australian Research Council
History
Publication title
Effective Conservation Science: Data Not DogmaEditors
P Kareiva, M Marvier, B SillimanPagination
51-57ISBN
9780198808978Department/School
School of Natural SciencesPublisher
Oxford University PressPlace of publication
United KingdomExtent
28Rights statement
Copyright 2018 Oxford University PressRepository Status
- Restricted