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Less air pollution leads to higher crop yields, says study

Envirotec Magazine

Past research has been limited by a lack of overlap between air monitoring stations and agricultural areas, and confounding effects of different pollutants, among other challenges to ground-based analysis. North and South America generally had the lowest NOx exposures.

Pollution 130
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Will sweat help us survive climate change?

Grist

Under the relentless sun in Africa, the birthplace of humanity, every living thing had to find a way to beat the heat. Even South America, in the throes of winter, saw unbelievable heat: A town in the Chilean Andes topped 100 degrees F — another all-time high. Factors like age, illness, and body size change the math.

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A North-Pole, How Much Longer?

Mr. Sustainability

Ice that survives for at least one year is called multi-year ice, sometimes perennial ice, which gives an indication of the health of the ice at the end of the melt season. In the absence of thick multi-year ice, which can be up to five meters deep, any water that refreezes would take the form of much thinner, more navigable seasonable ice.