Humans are changing the climate of the earth. Over many centuries, people have never stopped polluting our environment. So, the results from global climate cause many problems like diseases, greenhouse effect and starvation that are threatening our life everyday. In South Africa, numerous people suffer from shortage of food and lack of medication. Greenhouse effect is not only changing many locations into deserts around the world, but also changing the genes structure of plants. Because of the changes in our global climates, the needs of genetically engineered food are indispensable.
Wheat is one of the major foods of the world. With global warming, many new kind of plantsˇ¦ disease continue being discovered. For example,
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