4 years ago
As the world stays home, will the environment improve?
As more and more people stay at home during the pandemic, millions of vehicles are no longer on the roads and the skies are comparatively free of airplanes. Many other human activities that cause air pollution also have been scaled back. But will this lull in activity make a difference in the air we breathe or the future of climate change? NewsHour Weekend's Christopher Booker reports.
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