In this chapter, natural resources on which societies depend, their patterns of production and consumption, and the problem of managing those resources in light of growing demands and reserves. ... Forests are a renewable resource only if people are planting at least as many trees as are being cut. ... Other types of land resources include forests, rangelands, parks, and wilderness areas. ... However, forest resources are only one of the renewable resources in danger of damage by human action. ...

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We are also adding small particles and droplets called aerosols that reflect light back into space and tend to cause some areas to cool. ... In addition, the clearing and burning of forests causes the pool of carbon which has been tied up in trees to be released. ... Satellite photos show smoke from the smoldering fires that are rising into the air over the forest. The desire of developed countries for inexpensive meat and forest products is another major contributor to deforestation. ... It is also released as a result of forest clearing, venting in association with oil production, an...

• Word Count: 2775
• Approx Pages: 11
• Grade Level: Undergraduate

The greenhouse effect is also intensified by the process of deforestation, which is the conversion by humans of forest land to other uses (such as farming). ... When tropical forest is cleared for pasture land, there is an immediate loss of carbon to the atmosphere as carbon dioxide. ... The historic example usually cited is the substitution of coal for wood as the principal fuel of Western Europe, after the forests there became depleted. ... This layer normally filters out a harmful form of ultraviolet light from the sun, known as UV-B. ... Acid rain has also been implicated in the depletion...

• Word Count: 1531
• Approx Pages: 6
• Grade Level: Undergraduate

The toxic gases created are one of the causes that have been eating away at our atmosphere and damaging the forests and lakes with pollutants. ... It is very dependable during summer when the majority of blackouts occur because it uses that heat and light from the sun to keep you cool. ...

• Word Count: 501
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• Grade Level: High School

If all of the water in the world could be poured into one bucket, only one teaspoon of that water would be drinkable. In fact, the scarcity of clean drinking water is responsible for the deaths of 2,000 children a day; dehydration and poor sanitation. In the US, nearly 50% of water usage is devo...

• Word Count: 2430
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• Grade Level: Undergraduate

Over the past several years, temperatures around the world kept rising. Sometimes it's unbearable for people on this planet. "The temperature during an eight-day heat wave in Chicago in July 1995 hovered around 100 degrees Fahrenheit. High levels of humidity made the air feel even hotter, creating an almost unbearable and, ultimately, fatal environment. 556 number of deaths was attributed to the heat, which struck the elderly" ("Issues and Controversies: Global Warming "). Until human populations soared and began burning fossil fuels, greenhouse gases remained in relative balance. ...

• Word Count: 3357
• Approx Pages: 13
• Grade Level: High School