The booming mining industry in Australia is encroaching on the farming industry, which has been till now, deeply rooted in the country's culture.
John Harold hired jobless Americans to help on his farm, and says they proved to be less reliable and less willing to perform the hard work than foreign workers.
Overuse of antibiotics on animals is leading to fears that factory farms are creating drug-resistant pathogens, like the staph infection, MRSA.
Ancient Andean crops and farming methods are revived as Peruvians struggle to deal with the effects of climate change.
Vertical farms could help solve environmental problems associated with agriculture in order to make cities more sustainable.
Fish populations are so depleted that when today's children are adults, there may be no fish left to eat.
An innovative project uses a hydroponic vegetable farm to clean up China's Dianchi Lake.
Global hedge funds are buying up huge tracts of land in Africa, hoping to make money off the commodity and food trade, and prominent US universities are taking part.
Instead of creating fuel from corn or other food crops, one company is creating so-called "second-generation" biofuels from straw.
Some US farmers say a steady supply of legal immigrants has become too unreliable, so they're moving to where many of the workers come from: Mexico.