1. Human Impacts on the Atmosphere: Global Climate Change

2. Learning Outcomes
To be able to explain the difference between the Greenhouse Effect and the Enhanced Greenhouse Effect
To be able to explain what is meant by the term 'Global Climate Change'.
To know the feedback mechanisms that could accelerate or decelerate climate change.
To be able to explain the consequences of Global Climate Change (wind and rainfall patterns; Ocean Currents e.g. Gulf Stream (NAD) and El Nino.

3. (ii) Enhanced greenhouse effect?
Overview
Cause?
GHG’s
Source / Effect
(i) Greenhouse effect?
Explain
with diagram
(ii) Enhanced greenhouse effect?
(iv) Problems
Predicting?
Global Climate Change
-Cause?
-Wind
-Precipitation
-Ocean Currents
Thermal Expansion
-How much
Land ice melt!
(v) Feedback Loops?
1. SL Rise
Il Nino / Nina
NAD!
(iii) Consequences
2. Change in Climate
3. Ecological Change
Positive
Negative

4. Greenhouse Effect

5. Feedback Loops