New York City Panel on Climate Change PowerPoint based on February 2009 report

1. 1
NEW YORK CITY-
SPECIFIC CLIMATE
CHANGE PROJECTIONS
February 25, 2009

2. 2
NYC Climate Change Projections
CRI, pg. 17

3. 3
Full Range of GCM Projections and Emission Scenarios
CRI, pg. 18

4. 4
GCM Ranges by Timeslices and Seasons
CRI, pg. 42, 44

5. 5
Extreme Events
CRI, pg. 20

6. 6
Extreme Events - Summary
By the end of the century, New York City could experience:
• Approximately 2.5 to 4.5 times more days per year over 90 degrees.
• Approximately 2.5 to 4 times more heat waves (as defined as three
consecutive days over 90 degrees) a year
• More frequent, intense rainstorms
• A current 1-in-10 year coastal flood about once every 1 to 3 years
• A current 1-in-100 year coastal flood about once every 15 to 35
years

7. 7
Qualitative Projections
CRI, pg. 21

8. 8
Impacts of Climate Change on Infrastructure
CRI, pg. 58

9. 9
PlaNYC Website
http://nyc.gov/planyc2030

10. 9
PlaNYC Website
http://nyc.gov/planyc2030