CK12 Earth Science

Further Reading / Supplemental Links People who lived during the Dust Bowl talk about their experiences, the Ganzel Group http: ...

Introduction Sometimes human activities lower the quality ordegradethe land by putting hazardous substance in the soil and water ...

Figure 19.9: A resident of Love Canal protests the hazardous waste contamination in her neighborhood. ( 2 ) ...

cleaning up the site. The work of Lois Gibbs was important in bringing the problem of hazardous chemical pollution to peoples’ a ...

Table 19.2: (continued) Type of Hazardous Waste Example Why it is Hazardous Medical wastes Surgical gloves, wastes con- taminate ...

Figure 19.10: This farm worker wears special clothes for protection from the hazardous pesticide in the container. ( 1 ) Figure ...

Figure 19.12: This graph shows historic increases of mercury in the atmosphere. Events in blue are volcanic eruptions. Events in ...

more industry produce more hazardous waste than those with little industry. Hazardous wastes can enter the air when we burn thin ...

Organicfarmingisamethodofgrowingfoodcropswithnaturalalternativestochemical pesticides. How does organic farming help control ha ...

Image Sources (1) USDA.http://commons.wikimedia.org/wiki/Image:Hazardous-pesticide.jpg. Public Domain. (2) EPA.http://en.wikiped ...

Chapter 20 Human Actions and Earth’s Resources 20.1 Use and Conservation of Resources Lesson Objectives Discuss some natural re ...

Introduction IntheMonongahelaNationalForestofWestVirginia(Figure20.1),scientistshaveamystery to solve: the mystery of the missin ...

Figure 20.2: We use Earth’s resources for many purposes, including recreation and natural beauty. ( 8 ) ...

Figure 20.3: Severe pollution can lead to drastic environmental damage and loss of natural resources. This forest in Europe was ...

Renewable versus Non-Renewable Resources Natural resources may be classified as renewable or non-renewable. Renewable resources ...

Table 20.1: (continued) Common Object Natural Resources Used Are These Resources Re- newable or Non-renewable? Jewelry Precious ...

Tampa, Florida area every week (Figure20.4). Tampa’s population is growing quickly. The Tampa area may have over 3 million peopl ...

the United Arab Emirates, and Venezuela) have nearly 80% of all the world’s oil (Figure 20.5). However, none of these is the wor ...

Figure 20.6: Pollution from discarded materials degrades the environment and reduces the availability of natural resources. ( 6 ...

Purchase less stuff (use items as long as you can, ask yourself if you really need some- thing new.) Reduce excess packaging (f ...