1. Shifting Perspectives on Ecosystems
SCI 10 – Sustainability Day 16

2. Review: Threats to Sustainability
Increased pollutants (i.e. fertilizers, CO2), pesticide use
Eutrophication
Biomagnification
Destruction of habitat
Deforestation: clear cutting without replanting. Affects carbon levels, weather, birds, habitats …
Draining wetlands for land, mosquito control, water use. Affects water filtration, habitat and fisheries…
Alien species/ invasive species
Can outcompete native organisms
Overexploitation (i.e. cod)

3. Ecotourism and Connectivity
Ecotourism is a nature-based, sustainable form of tourism that is now a multibillion-dollar industry worldwide.
Connectivity is the collection of links and relationships between ecosystems that are separated geographically. (migration)

4. Paradigm
Paradigm – A view of the world or a way of thinking about how the world works. A shift is a significant (big) change.

5. Paradigm Shifts
Paradigm Shifts: rare and significant changes in the way humans view the world.
Major changes which are controversial when first proposed but eventually come to be accepted as a major advancement in scientific knowledge and understanding (ex. The world is flat)

6. Takes a While…
Paradigm shift a significant change in the way humans view the world

7. The Lorax

8. Are We in the Middle of a Shift?
Proof:
Reduce, Reuse, Recycle
Public Transportation
Alternative sources of energy
Reducing invasive species
Education citizens about environmental issuses
Government, Fed/Prov/Minicipal, regulations/laws/acts

9. Outcomes of the Shift
Pesticides and By-Laws – stops the use of cosmetics pesticides (like DDTs) that can bioaccumulate.
The Great Lakes Water Quality Agreement – as a result of the ELA a phosphorus control program.
Environmental Farm Plans – impact of farms, nutrient/soil/irrigation/wildlife/pesticide management

10. Outcomes of the Shift
Highway and outdoor lights changed/ being changed to lower energy bulbs
Idle Free Zones
BPA (Bisphenol A) ban

11. Individual Empowerment

12. Individual Empowerment

13. Individual Empowerment

14. Self-Education
Fair Trade Products are based on transparency in business and sustainable development
Product’s Life Cycle: All aspects involved in making, distribution, selling, using, and disposing of the product.

16. Be aware of the consequences of YOUR actions and activities

17. To Do Table – Paradigm Shift Examples
p.318 #1,2 p.322 #5,7 p.327 #10,11
p.330 # p.350 #2,8
Due Thursday
p.343 Atrazine & Frogs ?
Unit Test Review