Articles sur Air pollution

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False-color image of ozone concentrations above Antarctica on Oct. 2, 2015. NASA/Goddard Space Flight Center

Is Earth’s ozone layer still at risk? 5 questions answered

Earth's ozone layer shields us from harmful ultraviolet radiation. Nations have been working to reduce ozone-depleting chemicals since the 1980s, but recent studies show that there is still work to do.
A trash truck discharges solid waste at the South East Reserve Recovery Facility’s refuse storage pit in Long Beach, California, August 24, 2010. AP Photo/Damian Dovarganes

Garbage in, garbage out: Incinerating trash is not an effective way to protect the climate or reduce waste

Most Americans don't want incinerators in their neighborhoods, so waste management companies are burning trash in other facilities such as cement kilns. Is this a sustainable way to deal with garbage?

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