Environmental problems

Air pollution

• Acid deposition• Ozone depletion • Global climate change

Groundwater pollution and depletion?

• Acid deposition• Ozone depletion • Global climate change• Acid deposition• Ozone depletion • Global climate change

Groundwater pollution

Biomagnification

Species extinction

• The leading cause of species extinctions?

• 1391 species in the U.S on the threatened or extinction lists.

• In Idaho:– Caribou, Snake River Snail,

Sturgeon and the Grey Wolf.

Passenger pigeon

Examples

Baiji River DolphinCalifornia Condor

Human population growth• How many people are in the world?

"The power of population is indefinitely greater than the power in the earth to produce subsistence for man".Thomas Malthus, 1834

- 7 Billion as of Jan 4th 2012.

Climate Change

• What is it?• What are some of the causes?• What are the implications?

Greenhouse gases

Temperature data

Climate change

How do we solve these problems?

How do we solve these problems?

1. Assessment:2. Risk analysis:3. Public education:4. Political action:5. Follow-through: