Water harvesting in Death Valley: Conquering the arid wilderness

Korea is regarded as a "water-stressed nation." Although the country receives an annual precipitation of approximately 1,300mm, it is characterized by concentrated periods and specific regions, thereby giving rise to challenges ...

Fossil footprint discoveries and what they tell us

Footprints on a sandy surface don't usually last long: they're washed away by water, wiped out by wind or covered over by new tracks. At certain sites in southern Africa, though, some traces of animals have lasted for many ...

Climate: Corporate 'net zero' pledges lack credibility

Nearly half the world's biggest companies have pledged to erase their carbon footprints by around mid-century, but only a handful have credible game plans for doing so, climate policy research groups said Monday.

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