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.

PhD student bioengineers potato plant to detect gamma radiation

A researcher at the University of Tennessee Herbert College of Agriculture has developed a potato plant that can detect gamma radiation, providing reliable indications of harmful radiation levels without complex monitoring ...

Measuring the impact of desert greening

Long-term satellite data shows a significant cooling effect of vegetation on land surface temperature. The searing heat of the Arabian Peninsula translates to a population vulnerable to heat stress. As temperatures continue ...

Climate experts warn of fossil fuel tactics at COP28

Oil-rich Gulf states have positioned themselves as both champions of climate innovation and guardians of fossil fuel interests—a balancing act experts warn could derail action at COP28 in Dubai.

Northern China chokes under severe pollution

Tens of millions of people across northern China were under severe pollution warnings Tuesday, with authorities urging them to reduce outdoor activities as a grayish smog enveloped the region.

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