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Climate Change Part 2 What is Causing the Warming?
Recent Climate Change ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Long Term Orbital Cycles ,[object Object],[object Object],[object Object],[object Object]
North-Pole Summer Insolation ICE AGE
Short-Term Climate Change ,[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
Sunspots and Temperature ,[object Object],[object Object],[object Object],[object Object]
Sunspots and Temperature
Solar Activity and  Atmospheric Heating  ,[object Object],[object Object]
Volcanic Emissions ,[object Object],[object Object],[object Object]
El Nino / La Nina ,[object Object],[object Object],[object Object]
 
Natural short term factors cannot explain recent warming.  The climate should be cooling!
Recent warming requires  anthropogenic (human)  activities!
Anthropogenic Forcing ,[object Object],[object Object],[object Object],[object Object]
 
Climate Change Skeptics ,[object Object],[object Object],[object Object],[object Object]
Think of it like a murder mystery ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Think of it like a murder mystery ,[object Object],[object Object],[object Object]
Humans and Climate ,[object Object],[object Object],[object Object],[object Object]
Humans and Climate
Table 9-1, p. 290
Greenhouse Gas Trends ,[object Object]
Greenhouse Gas Trends ,[object Object],[object Object],[object Object],[object Object]
Carbon Dioxide ,[object Object],[object Object],[object Object]
Carbon Dioxide ,[object Object],[object Object],[object Object]
 
Carbon Dioxide ,[object Object],[object Object],[object Object],[object Object]
Past Carbon Dioxide Levels ,[object Object],[object Object],[object Object]
 
Past Carbon Dioxide Levels ,[object Object],[object Object],[object Object]
Past Carbon Dioxide Levels ,[object Object],[object Object],[object Object]
Recent Carbon Dioxide Levels ,[object Object],[object Object]
 
Recent Carbon Dioxide Levels ,[object Object],[object Object]
Recent Carbon Dioxide Levels ,[object Object]
Methane ,[object Object],[object Object],[object Object],[object Object]
Methane ,[object Object]
Nitrous Oxide ,[object Object],[object Object],[object Object],[object Object],[object Object]
Nitrous Oxide ,[object Object]
Deforestation: The hidden cause of global warming ,[object Object],[object Object],[object Object]
Why Forests are so Important ,[object Object],[object Object],[object Object],[object Object]
2007 IPCC Report ,[object Object]
Are Humans Causing the Recent Warming? VERY Likely  Based on peer reviewed scientific evidence……..
[object Object],[object Object],When Did Humans Begin to Change Climate?
Humans and CO 2 ,[object Object],[object Object]
Humans and Methane ,[object Object],[object Object]
The  Ruddiman  Hypothesis
The  Ruddiman  Hypothesis ,[object Object]
The  Ruddiman  Hypothesis ,[object Object]
The  Ruddiman  Hypothesis ,[object Object]

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Climate change part 2