ENSP 101 Chapter Notes - Chapter 1: Ecological Footprint, Environmental Science, Renewable Energy

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Ensp 101 chapter 1: introduction to environmental science. Environment: consists of all the living and nonliving things around us. Environmental science: is the study of how the natural world works, how our environment affects us, and how we affect our environment. Natural resources: the substances and energy sources that we take from our environment and that we need in order to survive. Renewable natural resources: natural resources that are replenished over short periods. Non-renewable natural resources: such as minerals and crude oil, are in finite supply and are formed much more slowly than we use them. Ecosystem services: earth"s natural systems provide services on which we depend. They purify air and water, cycle nutrients, and regulate climate. Arise from the normal functioning of natural systems. Agricultural revolution: 10,000 years ago, transition from a hunter-gatherer lifestyle to an agricultural way of life. People began producing more food to meet nutritional needs and began having more children.

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