A team of University of California researchers say they have developed a tool that could help steer the aviation sector toward making smarter decisions when it comes to climate-related impacts.

The Global Warming per Activity tool, highlighted on Wednesdaay in Nature, measures how long and how strongly each aviation activity affects the atmosphere — whether that activity lasts hours or a century.

The scientists also quantified uncertainty in every component, enabling users to assess risk by calculating the probability that a given tradeoff would help mitigate warming.

“This new decision tool uses the........

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