5. Some energy is radiated back
into space by the Earth in
the form of infrared waves
Some of this outgoing
infrared radiation is trapped by
the Earth’s atmosphere
and warms it
Most of this radiation
is absorbed by the
Earth and warms it
6. 800,000 700,000 600,000 500,000 400,000 300,000 200,000 100,000 0
Age (years BP)
300
180
200
220
240
260
280
CO2Concentration
CO2(ppmv)
Source: National Climatic Data Center, NOAA
9. 2013 CO2 Concentration: 400
CO2Concentration
400
320
340
360
380
300
180
200
220
240
260
280
Temperature
800,000 700,000 600,000 500,000 400,000 300,000 200,000 100,000 0
Age (years BP)
CO2(ppmv) After 40 more years at the current rate of increase
Source: National Climatic Data Center, NOAA
11. Summer Temperatures Have Shifted
•1951 – 1980
FrequencyofOccurrence
Source: NASA/GISS; Hansen, et al., “Perceptions of Climate Change,” Proc. Natl. Acad. Sci. USA 10.1073, August 2012
Deviation from Mean
0 1 2 3 4 5-1-2-3-4-5
Cooler than average
Average
Warmer than average
Baseline (1951 - 1980) mean
0.5
0.4
0.3
0.2
0.1
0
12. Summer Temperatures Have Shifted
•1981 – 1991
FrequencyofOccurrence
Deviation from Mean
0 1 2 3 4 5-1-2-3-4-5
Cooler than average
Average
Warmer than average
Baseline (1951 - 1980) mean
Source: NASA/GISS; Hansen, et al., “Perceptions of Climate Change,” Proc. Natl. Acad. Sci. USA 10.1073, August 2012
Extremely hot
0.5
0.4
0.3
0.2
0.1
0
13. Summer Temperatures Have Shifted
•1991 – 2001
FrequencyofOccurrence
Deviation from Mean
0 1 2 3 4 5-1-2-3-4-5
Cooler than average
Average
Warmer than average
Baseline (1951 - 1980) mean
Source: NASA/GISS; Hansen, et al., “Perceptions of Climate Change,” Proc. Natl. Acad. Sci. USA 10.1073, August 2012
Extremely hot
0.5
0.4
0.3
0.2
0.1
0
14. Summer Temperatures Have Shifted
•2001 – 2011
FrequencyofOccurrence
Deviation from Mean
0 1 2 3 4 5-1-2-3-4-5
Cooler than average
Average
Warmer than average
Baseline (1951 - 1980) mean
Source: NASA/GISS; Hansen, et al., “Perceptions of Climate Change,” Proc. Natl. Acad. Sci. USA 10.1073, August 2012
Extremely hot
The “extreme”
temperature events
used to cover 0.1% of
the Earth. Now they
cover 10%.
0.5
0.4
0.3
0.2
0.1
0
15. The Twelve Hottest Years on Record
Source: NASA/GISS
2009 2007 1998 2002
2006 2012 2011 2004 2001
2010 2005
2003
16. The Hottest Year Ever Measured
(Statistically tied with 2005)
Source: NASA/GISS
17. 2012 was the 36th
consecutive year with a
global temperature above
the 20th century average
20. Australia Heat Forecast: January 4, 2013
50°
40°
30°
20°
10°
0°
-10°
-20°
-30°
Data: Commonwealth of Australia, 2013 Australian Bureau of Meteorology
21. Australia Heat Forecast: January 14, 2013
50°
40°
30°
20°
10°
0°
-10°
-20°
-30°
54°
Data: Commonwealth of Australia, 2013 Australian Bureau of Meteorology
Two New Colors Had to Be Added to the Map
22. Change in Annual Global Temperature
•1880 – 2010
AnomalyRelativeto1901–2000Mean(°C)
1880 1900 1920 1940 1960 1980 2000 2010
Source: National Climatic Data Center, NOAA
0.75
0.5
0.25
0
-0.25
-0.5
24. “Global warming is contributing to an
increased incidence of extreme
weather because the environment
in which all storms form
has changed from human activities.”
National Center for Atmospheric Research
June 15, 2011
25. “The only plausible explanation for the
rise in weather-related catastrophes is
climate change.”
Munich Re
One of the two largest reinsurance companies in the world
September 27, 2010
46. Hotter Years Typically Have More Fires
40 Years of Western U.S. Fire and Temperatures
175
150
125
100
75
50
25
62°
61°
60°
59°
58°
57°
56°
1970 1980 1990 2000 2010
Average Temperature
Number of Fires
AverageSpring-SummerTemperature(°F)
FiresonU.S.ForestServiceLand
Data: Climate Central, “The Age of Western Wildfires,” September, 2012
53. September Arctic Sea Ice Extent
1979 – 2012
Source: National Snow and Ice Data Center, October 2012
MillionSquareKilometers
1979 1982 1985 1988 1991 1994 1997 2000 2003 2006 2009 2012
September ice extent
Trend
New record low
54. September 2012
Source: NASA Earth Observatory
September 1984
Arctic Sea Ice Extent
Sea Ice Concentration
0% 100%
57. Muir Glacier, Alaska
1880
Source: Hazard, G. D. 1880 Muir Glacier: From the Glacier Photograph Collection, Boulder,
Colorado USA; National Snow and Ice Data Center/World Data Center for Glaciology
58. Muir Glacier, Alaska
2005
Source: Bruce F. Molnia, Bruce F. 2005 Muir Glacier: From the Glacier Photograph Collection, Boulder,
Colorado USA; National Snow and Ice Data Center/World Data Center for Glaciology
60. Those who deny
the existence of the
Climate Crisis
often claim there is
“no scientific consensus,”
however...
61. Every National Academy of Science of Every
Major Country in the World Confirms
Anthropogenic Global Warming
African Academy
of Science
Australia
Belgium
Brazil
Cameroon
Canada
The Caribbean
China
France
Ghana
Germany
Indonesia
Ireland
Italy
India
Japan
Kenya
Madagascar
Malaysia
Mexico
Nigeria
New Zealand
Russia
Senegal
South Africa
Sudan
Sweden
Tanzania
Turkey
Uganda
United Kingdom
United States
Zambia
Zimbabwe
63. “The need for urgent action to address
climate change is now indisputable.”
Joint Statement of the National Academies of Science
For the G8 + 5 Nations
May 2009
Here is what the National Academies say:
65. Need effective solution that would:
Have bipartisan support
Significantly reduce greenhouse gas
emissions
Be simple and transparent
Create new jobs
Reduce our dependence on foreign oil
66. We do have a solution!
*Carbon Fee
and Rebate
* Revenue-
Neutral
Carbon Tax
83. It’s possible, and our children and
grandchildren are depending on us to take
action
84.
85. Take Action Now:
• Listen to our intro call, details on back of bus card
• Write your Representative, Rep. ____, U.S. House of
Representatives, Washington, DC 20515. Ask her/him to
communicate with Ways and Means Chairman Dave Camp,
urging him to convene a hearing to look at market-based
approaches to address climate change. Conservative witnesses
who could testify include:
• Art Laffer, former Reagan economic adviser.
Greg Mankiw, economic advisor to George W. Bush and Mitt
Romney.
Andrew Moylan, R Street Institute.
Gary Becker, Nobel laureate economist.
George Shultz, former Secretary of State.
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Script Slide 18: What are we waiting for? With all that we know, there is no excuse to wait and risk the lives of millions. We must act now to diminish our carbon emissions and reduce the devastating consequences of human-caused climate change.
Art
Laffer,
President
Reagan’s
economic
advisor
Greg
Mankiw,
economic
advisor
to
President
George
W.
Bush
and
presidential
candidate
Mitt
Romney,
We send handwritten notes to our Members of Congress, write letters to the editor, and actually meet with our members of congress, always asking them to pass fee and dividend legislation.