Related topics: water · climate change

Human footprints dating back 120,000 years found in Saudi Arabia

Around 120,000 years ago in what is now northern Saudi Arabia, a small band of homo sapiens stopped to drink and forage at a shallow lake that was also frequented by camels, buffalo and elephants bigger than any species seen ...

Concept could sustainably meet human resource needs of 'full Earth'

A new concept proposes to provide food, energy and water resources for the world's growing population by combining systems that simultaneously use different parts of sunlight's spectrum to produce crops, generate electricity, ...

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