Topic: Ecology
Easy 
Disciple: Srila Prabhupada, in a recent study by U.S. agricultural officials, they found that it’s uneconomical to eat meat. It takes so much energy and man hours to raise and transport and slaughter the cows that it’s very wasteful.
Srila Prabhupada: Wasteful, yes. Therefore I say they have no brain. They are all rascals. Rascal leaders. A little labor in agriculture will be sufficient to...
Easy
Supplies of petroleum are dwindling, and that poses a special problem for farming. In his book Family Farming, Marty Strange summarizes a study at the University of New Hampshire:
By 2020, domestic supplies of both oil and gas will be depleted, and if agriculture’s technological base does not shift, 10 percent of the oil and 60 percent of natural gas consumed in the United States soon after...
Easy
"The Bhagavad-gita specifically instructs us, krishi-go-rakshya: we human beings must protect the cow, our milk-giving mother. Go-rakshya—'protect the cow,' not go-hatya—'kill the cow.' This is most sinful." —Srila Prabhupada
Lord Krishna says in the Bhagavad-gita that the activities of the productive class of society should be krishi-go-rakshya-vanijyam: agriculture, cow protection, and trade...
Easy
Not so many years ago, no one gave a damn. You could gum up a river with factory sludge, chop down rain forests wholesale, spray fluorocarbons into the air like a kid sprinkling confetti, and no one would say boo.
No longer. Grade-school kids want to grow up to be ecologists. New York tycoons sort their trash to recycle. Rock singers play concerts to save prairies and wetlands. Political...
Medium 
In the Srimad-Bhagavatam (4.19.8) Srila Prabhupada notes, “Although the earth’s ground is the same, different tastes arise due to different kinds of seeds.” What a miracle it is that although two plants grow next to each other in the same dirt, one produces sweet melons, the other hot peppers! Although they use the same resources from Mother Earth, it is as if they give different interpretations...