Chapter 4Earth’s Resources

Conservation of Energy Create a Brochure promoting the

Conservation of Energy In your Brochure you must persuade

humans to protect/conserve Earth’s resources

Your Brochure must include color, pictures, and loads of facts

You will have 3 days to complete the brochure

You may include pictures (small) from magazines or the internet

You will be graded on content of course and creativity

4.3 Water, Air, and Land ResourcesThe Water Planet

What 3 things are essential for life? _________________ _________________ _________________

How do we use fresh water? ___________ _____________ ____________ _____________

What percentage of Earth’s surface is water?_____%

Of that, what is Salt water?____%

Fresh water?____%

Of the fresh water, what is useable?<____%

4.3 Water, Air, and Land Resources

Freshwater PollutionPoint source pollution-_____________________

Ex – factory pipesNonpoint source pollution-_________________

Ex – waste oil from street, sediments from construction sites, pesticides from farm land and lawns, water filtering from coal mines

Runoff-_________________________________

How is Runoff related to Nonpoint source pollution?___________________________________

4.3 Water, Air, and Land Resources

Major Types of Water Pollution

Major Types of Water Pollution

http://sanibelseaschool.org/classroom/wp-content/uploads/point-source-pollution-photo.jpg

Earth’s Blanket of AirThe chemical composition of the atmosphere

helps maintain life on Earth. ________________________________________

Pollution in the Air The increase in CO₂ in the atmosphere has altered

the carbon cycle and contributed to global warming- __________________________________________________

The burning of fossil fuels releases sulfur dioxide and nitrogen oxide into the atmosphere. These compounds combine with water vapor to create ___________________________.

Chlorofluorocarbons (CFCs) once used in air conditioners and foam production destroy ______________________________.

4.3 Water, Air, and Land Resources

Major Primary Pollutants and Their Sources

•What makes up almost half of all air pollution?

•What fraction of pollution sources are industrial processes?

•What do you think is the source of most carbon monoxide pollution?

Land ResourcesEarth’s land provides soil and forests, as well

as mineral and energy resources Soil-________, Forest-_________, Petroleum-_________,

Minerals-_______

Damage to Land Resources Mines produce many mineral resources, but mines

are destroying______,_________, and _______________. Mines also cause soil erosion and pollution that

contaminates soil and water and destroys ______________.

4.3 Water, Air, and Land Resources

Conservation ______________________

Pollution prevention means stopping pollution from entering the environmentLate 1940s and 1970s, pollution got public’s

attention Air pollution- killed 100s, sickened 1000s in US &

elsewhere Water pollution-oil spills

Americans use about ______ of the world’s resources and produce about _______ of the garbage

4.4 Protecting Resources

Keeping Water Clean and SafeStarting in the 1970’s, the federal government

passed several laws to prevent or decrease pollution and protect resources In 1972, the Clean Water Act (CWA) required

_____________ ____________________________________________________

The Safe Drinking Water Act of 1974 helped ______________ ____________________________________________________

Led to an increased number of sewage treatment plants which decreased the discharge of raw sewage into lakes, rivers, and bays

4.4 Protecting Resources

Protecting the AirIn the 1970’s, Congress passed the Clean Air

Act, the nation’s most important air pollution law National Ambient Air Quality Standards (NAAQS)

established for six “criteria” pollutants known to cause health problems – carbon _________, ozone, lead, sulfur _________, nitrogen oxides and particulates (fine particles).

4.4 Protecting Resources

Caring for Land ResourcesProtecting land resources involves preventing

pollution and managing land resources wiselyCompost

___________________________________________________Recycling

___________________________________________________

4.4 Protecting Resources

Since 1977, sanitary landfills have largely replaced open dumps________________________________________________

________________________________________________The Resource Conservation and Recovery Act

(RCRA) of 1976 has decreased illegal and unsafe dumping of _______________________________

The 1980 Comprehensive Environmental Response, Compensation, and Liability Act mandates the cleaning up of abandoned hazardous waste sites that are ______________________________________

4.4 Protecting Resources

Conservation of Energy

Complete Brochure