A global coalition of more than 11,000 scientists from 153 countries says “untold human suffering” is unavoidable without deep and lasting shifts in human activities that contribute to greenhouse gas emissions and other factors related to climate change.
+Read MoreEvery day around the world, more than 100,000 civil aviation flights take off and land – safely for the most part. Now, the global agency responsible for overseeing civil aviation is working to improve the industry’s sustainability.
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