1. Land pollution is increasingly posing a serious problem, both in Western countries and in the emerging economies. One recent case was noticed in China. According to some sources, more than eight million acres of its farmland was too polluted, with heavy metals and other chemicals, to be used for growing food. This created a dilemma: how to maximize food without risking the use of land contaminated heavily by lead, cadmium, pesticides, and other toxins. China has already witnessed many scandals regarding food poisoning, and is now on full public alert.

Discuss. (For details, see http://www.foxnews.com/world/2013/12/30/

chinese-official-8-million-acres-farmland-too-polluted-to-use-for-crops/)