How to clean up New Delhi's smoggy air

An international study led by atmospheric researchers at PSI shows for the first time what portions of particulates in the air over northern India are especially harmful to health.

Beyond economic metrics: The Gini index in the big data age

Inequality among people has become an increasingly salient issue globally, with data indicating a rise in inequality levels across many countries in recent years. This, in turn, has generated concerns both from the perspective ...

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