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The green revolution was a worldwide effort to increase the food supply through better farming, particularly in undernourished regions like India and South America. By increasing the amount of farmland and obtaining better crop yield from existing farms, the food supply increased such that India began producing more food than it could consume, and exported its surplus. Worldwide, the crops of rice, wheat and maize (corn) all increased.   

The '''green revolution''' was a worldwide effort to increase the [[food]] supply through better [[farm]]ing, particularly in undernourished regions like [[India]] and [[South America]]. By increasing the amount of farmland and obtaining better crop yield from existing farms, the food supply increased such that India began producing more food than it could consume, and exported its surplus. Worldwide, the crops of [[rice]], [[wheat]] and maize ([[corn]]) all increased.   

Popular and easy to grow in the Asian climate, rice was historically the world's most popular crop.  But maize (corn) and wheat have grown in such popularity that they have surpassed rice. Sugar cane has also exceeded rice in popularity. Here is the list of the most popular crops in the world today:

Popular and easy to grow in the Asian climate, rice was historically the world's most popular crop.  But maize (corn) and wheat have grown in such popularity that they have surpassed rice. [[Sugar]] cane has also exceeded rice in popularity. Here is the list of the most popular crops in the world today:

<br>1. sugar cane

<br>1. [[sugar cane]]

<br>2. maize (corn)

<br>2. [[maize]] (corn)

<br>3. wheat

<br>3. [[wheat]]

<br>4. quinoa

<br>4. [[quinoa]]

<br>5. potatoes

<br>5. [[potatoes]]

<br>6. sugar beets

<br>6. [[sugar beet]]s

<br>7. soybeans

<br>7. [[soybean]]s

<br>8. oil palm fruit

<br>8. ''oil palm fruit''

<br>9. barley

<br>9. [[barley]]

<br>10. rhutabagas

<br>10. [[rhutabaga]]s

Pesticides and fertilizers were used to increase production during the green revolution, and many wonder if they are harmful to our diet. Today, there is controversial use of genetic engineering of crops to increase yield (the amount of food produced per a given area).

[[Pesticide]]s and [[fertilizer]]s were used to increase production during the green revolution, and many wonder if they are harmful to our diet. Today, there is controversial use of [[genetic engineering]] of crops to increase yield (the amount of food produced per a given area).

Environmentalists also complain that increased irrigation for crops has led to a depletion of ground water and an increase in the salinity of the soil.  Many ground wells in the United States may be polluted, though usually from hazardous waste (such as dumped oil) rather than from fertilizers or pesticides.

Environmentalists also complain that increased [[irrigation]] for crops has led to a depletion of ground [[water]] and an increase in the salinity of the [[soil]].  Many ground wells in the [[United States]] may be polluted, though usually from hazardous waste (such as dumped [[oil]]) rather than from fertilizers or pesticides.