Biotechnology is now being investigated to find new applications for crops. For example, lactic acid produced from bacterial fermentation of discarded corn stalks is being used to make a material that has the properties of plastic but is biodegradable (7). Studies are also being conducted on finding a way to integrate medicine and agriculture. Currently being tested is way to genetically engineer crops that can vaccinate people against diseases such as small pox, or provide wheat for people who are glucose intolerant (3).
Gardening is quickly becoming a greater source of food for a significant portion of the world population. City farms contributed 15% of the world food production in 1993 and that percentage is planned to increase to 33% by 2005 (4). Around 800 million people in 1996 partook in urban agriculture, which includes growing fruits, vegetables, and herbs, as well as raising livestock (4). Oddly enough, a large number of people believe our only option is to abandon research and technology and regress to primitive forms of farming. And contrary to popular belief, people who used so-called primitive methods were neither unhealthy nor inadequate: most people lived long and hearty lives (6). Environmental and public health also benefit from city farming. For example City farms use waste recycling techniques such as closed systems in which organic waste from food, manufacturing and sewage is reused instead of polluting the earth (4). Such techniques are going to