Q&A: Expert discusses wildfire smoke and air quality

New York City set a record last week for the worst recorded air quality the city has ever seen due to wildfire smoke drifting from Canada. At its peak, the Air Quality Index (AQI) for the city reached 405 out of 500 —the ...

High-latitude volcanic eruptions have global impact

Volcanic eruptions emit sulfate aerosols via volcanic plumes, which may stay in the stratosphere for months to years, reflecting sunlight back into space, cooling the Earth's lower atmosphere or troposphere over a long time ...

Ocean warming could drive heavy rain bands toward the poles

In a world warmed by rising atmospheric greenhouse gas concentrations, precipitation patterns are going to change because of two factors: one, warmer air can hold more water; and two, changing atmospheric circulation patterns ...

Q&A: Europe's freezing Easter and global warming

(AP)—Is it Easter or Christmas? Many Europeans would be forgiven for being confused by winter's icy grip on lands that should be thawing in springtime temperatures by now.

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