News tagged with central
Groundwater depletion in semiarid regions of Texas and California threatens US food security
The nation's food supply may be vulnerable to rapid groundwater depletion from irrigated agriculture, according to a new study by researchers at The University of Texas at Austin and elsewhere.
May 28, 2012 |
4.9 / 5 (7) |
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New study finds earliest evidence yet of differential access to land
Hereditary inequality began over 7,000 years ago in the early Neolithic era, with new evidence showing that farmers buried with tools had access to better land than those buried without.
Other Sciences / Archaeology & Fossils
May 28, 2012 |
4.2 / 5 (6) |
0
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