Climate change part 1

Climate Change Part 1 Is the World Getting Warmer?

What’s Wrong with The Weather? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Two Questions ,[object Object],[object Object],[object Object]

Is the World Getting Warmer? ,[object Object],[object Object]

Global Temperature Trends ,[object Object],[object Object],[object Object],[object Object]

U.S. Temperature Trends ,[object Object],[object Object],[object Object]

Temperatures in the Lower 48 States, 1901–2009

U.S. Temperature Trends ,[object Object],[object Object]

Is The Recent Climate Change Significant? ,[object Object],[object Object]

Is The Recent Climate Change Significant? ,[object Object]

Measuring Past Climates ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Direct Data: Weather Instrument Measurements ,[object Object],[object Object],[object Object]

Direct Data: Historical Records ,[object Object],[object Object],[object Object],[object Object]

Historical Records ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is Proxy Data? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tree Rings ,[object Object],[object Object],[object Object],[object Object],[object Object]

Tree Rings ,[object Object],[object Object],[object Object],[object Object]

Tree Rings ,[object Object],[object Object],[object Object]

Ice Cores ,[object Object],[object Object],[object Object]

Ice Cores ,[object Object],[object Object]

Ice Cores and Oxygen Isotopes ,[object Object],[object Object]

[object Object],[object Object],[object Object],Ice Cores and Oxygen Isotopes

Coral Growth ,[object Object],[object Object]

Coral Data and Oxygen Isotopes ,[object Object],[object Object],[object Object]

Oxygen Isotope Data Corals near Galapagos Islands

Coverage of Proxy Data So Far….

Artic Lake Sediments ,[object Object],[object Object],[object Object],[object Object]

Pollen and Lake Sediment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Isotopes and Lake Sediments ,[object Object],[object Object],[object Object]

Isotopes and Lake Sediments ,[object Object],[object Object]

Increased Continental Coverage

Ocean Sediments ,[object Object],[object Object],[object Object],[object Object]

Ocean Sediments ,[object Object],[object Object],[object Object]

Is The Recent Climate Change Significant? ,[object Object],[object Object],[object Object]

Is The Recent Climate Change Significant? Yes! But, what forcing mechanism is causing the warming (is this a natural trend or is it due to human activity)? Based on the peer reviewed scientific evidence……..

Climate change part 1

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