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Mega dairies produce large amounts of milk at lower cost but there is a high price to pay - for people, cows and the environment. Large scale dairy farms in the US have expanded by more than 90% in the last ten years and they're putting small and mid-sized dairies out of business. Bigger farms also mean more air and water pollution and they raise ethical concerns. With plans under review to open Europe's first US style mega dairy in England, Britain's Ecologist TV goes to California for an inside look at US factory dairy farms.
CCTV News | Nov 27
Half of China's population is chronically short of water, a problem that's exacerbated in the country's largest city. Four out of the five rivers f...