1. Chapter 16- Evidence supporting Global warming Chapter 16- Evidence supporting Global warming

2. Evidence suggesting Global warming Reduction in size of glaciers worldwide Rise in global sea level Rise in global temperature Rise in oceanic temperature Evidence suggesting Global warming Reduction in size of glaciers worldwide Rise in global sea level Rise in global temperature Rise in oceanic temperature

3. Statements of fact concerning the last two decades of the twentieth century

4. Global temperature change over the last century

5. 1990’s saw a positive sea level rise

7. 1 2 Glacier ice spall sequence on Mt Kilimanjaro

9. Before… After…

10. Which way to the beach? Increase in global temps leads to melting of ice on earth Causes a rise in sea level Causes a shift in coastline position Which way to the beach? Increase in global temps leads to melting of ice on earth Causes a rise in sea level Causes a shift in coastline position

11. Diminishing sea ice

16. Why worry? Regardless of what is responsible, climate is changing If people contribute, how much does it influence it Only one earth- Let’s not mess it up for our kids and grandkids! If people do not contribute- what THEN!? Yikes! Can we stop the earth from becoming intolerably warm? Can technology prevent catastrophic change? It probably could given enough time and money unfortunately- Not enough time or enough money! Why worry? Regardless of what is responsible, climate is changing If people contribute, how much does it influence it Only one earth- Let’s not mess it up for our kids and grandkids! If people do not contribute- what THEN!? Yikes! Can we stop the earth from becoming intolerably warm? Can technology prevent catastrophic change? It probably could given enough time and money unfortunately- Not enough time or enough money!