The big emitters: the United States

The United States, the world's second largest emitter of greenhouse gases, has pledged to halve its emissions by 2030 compared to 2005 levels—but so far is failing to stay on target, analysts say.

'Roving sentinels' discover new air pollution sources

In 2019, University of Utah atmospheric scientists, the Environmental Defense Fund and other partners added a new tool to their quiver of air quality monitors—two Google Street View cars, Salt Lake Valley's roving sentinels ...

High ceilings linked to poorer exam results for uni students

Ever wondered why you performed worse than expected in that final university exam where you sat in a cavernous gymnasium or massive hall, despite countless hours, days and weeks of study? Now you have a genuine reason—high ...

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