This article has been reviewed according to Science X's editorial process and policies. Editors have highlighted the following attributes while ensuring the content's credibility: During the COVID-19 pandemic, air travel declined dramatically. Many view the disruption as a potential tipping point for reducing emissions from the aviation sector.
However, once travel restrictions were lifted, passenger traffic quickly rebounded to prepandemic levels and, in many regions, even surpassed them. Flight restrictions did not produce a shift in social norms and values or create long-term incentives, so demand for air travel returned. In the COVID-19 case, the significant change in behavior did not lead to a lasting transition.
A study led by Claudia R. Binder, a professor at the Laboratory on Human-Environment Relations in Urban Systems (HERUS), suggests that the long-term success of climate action depends on creating a stable transition through supportive policies, infrastructure and social acceptance. "In a transition toward net-zero emissions, we want people to adopt and maintain more sustainable behaviors," says Binder.
Published in PLOS Climate, the interdisciplinary study combines ideas from ecology with evidence from real-world climate transitions to identify policies that can help sustainable changes endure over time. A social tipping point occurs when enough people adopt a new behavior or technology so that it starts spreading rapidly through society. While many studies focus on how to reach these tipping points, much less attention has been paid to how the resulting changes can be maintained over the long term.
In natural ecosystems, these tipping points occur frequently. For example, a coral reef can reach a tipping point when ocean temperatures become too high and many corals die. Once a certain number of corals is lost, algae take over the reef, and fish and other marine life begin to disappear.
The reef can then become stuck in this damaged state, even if conditions later improve. For their study, Binder and her team worked with the municipality of Pully. In collaboration with the sustainability team, the researchers analyzed how different technological, behavioral and policy factors interact within the local energy system.
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