1. Warm up 4/4: –What are 2 major greenhouse gasses? –What 2 chemicals are responsible for acid rain? –What is biomagnification? ENVIRONMENTAL SOLUTIONS pp 444 – 452

2. Warm-up 4/7 What is the main reason for the increase in the atmosphere of: –Carbon Dioxide? –Methane? How do the environmental pollutants H 2 SO 4 (sulfuric acid) and HNO 3 (nitric acid) enter the environment to cause acid rain?

3. HUMAN RESOURCE USE ecological (carbon) footprint: how much we impact the environment sustainability: the ability to meet human needs

4. FIELDS OF STUDY Conservation biology: identify, protect, and maintain natural areas at risk Restoration biology: rebuild the damaged ecosystems Use bioindicators (species especially sensitive to change) as early warning signals of environmental problems

5. CASE STUDY: Saving the whooping crane Whooping crane: in 1870 about 20,000 migrated between the US and Canada, but 1937, only 15 remained because American settlers began to hunt the birds for feathers. By 1967 the US Fish and Wildlife Service began a captive breeding program which now produces about 30 cranes/year

6. PROTECTING ECOSYSTEMS Biodiversity hotspots: regions with the highest diversity that are most in danger

7. GOVERNMENT LAWS Debt-for-nature swap: portion of a developing nation foreign debt is forgiven in exchange for investment in environmental conservation.

8. GOVERNMENT LAWS Debt-for-nature swap: portion of a developing nation foreign debt is forgiven in exchange for investment in environmental conservation. Ecuador asked for $3.6 billion not to drill for oil in the Amazon rain forest.

9. PRIVATE EFFORTS Ecotourism: tourism and conservation biology working together Visiting fragile nature with low impact Educates traveler, provides funds for conservation, and may increase economics of country

10. PRIVATE EFFORTS Ecotourism: tourism and conservation biology working together Visiting fragile nature with low impact Educates traveler, provides funds for conservation, and may increase economics of country

11. New Homework Read 444-452 Problems p 452 # 2,3,4 Due Tuesday Worksheet: Environmental Issues and Due Thursday Exam Thursday (4/10) –Study Guide due Thursday Intervention: Monday & Tuesday 2:45- 3:30 pm

12. Homework Quiz Friday (4/4): Community Ecology and Symbiosis DUE Friday (4/4) –Succession Comic: Both Sides DUE Monday (4/7) –Read p 435-444 –Problems p 444 #1-6 Due Wednesday (4/9) –Study Guide Exam Thursday (4/10)