Farmers harness manure's gases to generate power

Where others see simply manure, Danny Kluthe smells money. Long before President Barack Obama promised the country that "we will harness the sun and the winds and the soil," Kluthe already had yoked the power of pig poop.

How climate change fuels extreme heat

Heatwaves across Asia and beyond have already broken records this year, while the arrival of the El Nino climate phenomenon will mean even more extreme temperatures.

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