Transcript of Please Do Now: Give an example of a positive feedback loop involved in climate change and explain...
- Slide 1
- Please Do Now: Give an example of a positive feedback loop
involved in climate change and explain how it is exacerbating the
problem.
- Slide 2
- Agenda Do Now Feedback loop part of Inconvenient Truth Data
Analysis Effect of global warming notes Nitrogen cycle practice
problems
- Slide 3
- Data Analysis 1.What is measured on the x- axis? 2.What is
measured on the y- axis? 3.When was the Little Ice Age? 4.At what
point in the last 2000 years has temperatur e been the
highest?
- Slide 4
- 1.What do blue colors on the map represent? 2.What units are
the projections in? 3.When is this projection for? 4.How is
precipitation in New York predicted to change?
- Slide 5
- Data Analysis 1.When do the measuremen ts mostly begin on all
three charts? 2.How has the extent of snow cover, sea ice, and
glaciers changed since data was measured?
- Slide 6
- Data Analysis 1.What units are on the y-axis? 2.What is the
overall trend shown in this graph?
- Slide 7
- Data Analysis 1.What is projected on the x-axis? 2.What do the
different groups of bars represent? 3.What do the different colors
represent? 4.What is the overall trend shown in this graph?
- Slide 8
- Unifying question How do you expect life in New York will be
different in 200 years if the release of greenhouse gases continues
to increase? Use information from specific charts from the data
analysis.
- Slide 9
- What are the projected physical effects of global warming? Sea
level rise Ocean acidification Increased storm strength
- Slide 10
- What are the projected ecological effects of global warming?
Increased 20-30% of extinctions
- Slide 11
- What are the projected social effects of global warming? A mix
of effects Poorer and lower elevation nations will get hit worse
Increased displacement of peoples
- Slide 12
- What are the projected disastorous effects of global warming?
Shut down of the Atlantic ocean currents Collapse of the polar Ice
Sheets Release of methane hydrates