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Ash

Lava flows from Mount Mayon on January 25th, 2018, as seen from south of Manila, the Philippines. Philippine authorities declared a no-go zone around the volcano after tens of thousands of residents fled to safety.
Environment

Viewfinder: Mount Mayon Erupts in the Philippines

Lava flows from Mount Mayon on January 25th, 2018, as seen from south of Manila, the Philippines.

Fires burn across the Romero Canyon hillside in Montecito, California, on December 12th, 2017.
Environment

Could All That Ash From the Thomas Fire Be Making Temperatures Drop?

A reminder that wildfires have wide-ranging and surprising effects.