Xi province started sustainable agriculture and permaculture 40 years ago, while Huan province still uses conventional methods of cultivation. Animals grazing the fields extensively lead to desertification, the loss of carbon and nitrogen in the soil, and other problems. Permaculture was beneficial in Xi province, they re-built 10 inches of top soil in 10 years which is 6 times faster than the natural rate, which lead to a more diverse ecosystem and more biodiversity. Which province had a lesser food production due to agriculture practices?
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Answer: Huan province

Two continents had different histories. Asia was inhabited by many humans which destroyed most natural habitats through their activities. America was protective towards its environment and therefore thrived. Which continent destroyed habitats by overconsumption?
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Answer: Asia

Ken and Stacy are two engineers discussing their plans about what source of energy they should use to generate electricity in a new city they are helping design. Ken feels that they should use coal since it's reliable, abundant and relatively cheap. Stacy argues that they should use solar power because there is an infinite supply of solar energy. Which person's plan will kill more animals?
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Answer:
Ken