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Our Changing Planet

Our Changing Planet. OCEA 80B Professors Sharon Stammerjohn & Andy Moore Ocean Sciences Department. We live in a time of recent unprecedented change in the Earth climate. Global Average Temperature derived from the instrumental record. Proxy of derived global average temperature

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Our Changing Planet

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  1. Our Changing Planet OCEA 80B Professors Sharon Stammerjohn & Andy Moore Ocean Sciences Department

  2. We live in a time of recent unprecedented change in the Earth climate.

  3. Global Average Temperature derived from the instrumental record

  4. Proxy of derived global average temperature and the instrumental record “Climate Hockey Stick” (Michael Mann, Penn State)

  5. Hockey stick questioned by Canadian mining engineers • Some to-ing and fro-ing in the scientific literature • Michael Mann testifies before the US Senate • Special US Congress subcommittee convened • US Academy of Sciences weighs in and supports Mann’s original results

  6. Land clearing in N.Am began.

  7. Chamonix 1856-1933 Chamonix 1966 Chamonix today Chamonix, 1850 Glacial Retreat in Europe

  8. Arctic Sea-Ice Extent - end of summer

  9. The Northwest Passage

  10. Climate Model Predictions

  11. 5/5/06

  12. What of the future?

  13. Economic Growth • Booming economies in India and China – more affluent middle-class. • Combined populations of China and India ~2.4 billion people (www.cia.gov) • World population ~ 6.5 billion people (www.cia.gov) • Global Carbon emissions have increased 19% since 1990. • China’ emissions have increased 47%. • In 2006, carbon emissions in China exceeded those of the United States.

  14. Carbon Emissions by China

  15. Mitigation: Kyoto Protocol

  16. U.S has never ratified Kyoto protocol.

  17. “One planet, one experiment” – Edward O’Wilson “The future depends on what we do in the present”- Mahatma Gandhi

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