FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????
-
Upload
thomas-patrick -
Category
Documents
-
view
214 -
download
0
Transcript of FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????
![Page 1: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/1.jpg)
FACT OR MYTH?
Laura Blackburn, LWV-Houston Area
![Page 2: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/2.jpg)
MANMADE?
Or
NATURAL CAUSES
Or
BOTH ????
![Page 3: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/3.jpg)
![Page 4: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/4.jpg)
(uV
)
Infrared
![Page 5: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/5.jpg)
![Page 6: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/6.jpg)
![Page 7: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/7.jpg)
TYPES & DISTRIBUTION OF GREENHOUSE GASES
Reference: IPCC 4th Assessment Report:Climate Change 2007: Synthesis Report
Total CO2 = 76.7%Total CO2 =
76.7%
C(Chlorofluorohydrocarbons)
(Methane)
![Page 8: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/8.jpg)
Current global emissions = 38 billion metric tons/year
![Page 9: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/9.jpg)
WATER IS ALSO A GREENHOUSE GAS:
![Page 10: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/10.jpg)
![Page 11: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/11.jpg)
TERMITES AND COWS?
![Page 12: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/12.jpg)
Figure 2-1: Global sources of methane
Cows, sheep, etc.
![Page 13: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/13.jpg)
TYPES & DISTRIBUTION OF GREENHOUSE GASES
Reference: IPCC 4th Assessment Report:Climate Change 2007: Synthesis Report
Total CO2 = 76.7%Total CO2 =
76.7%
C(Chlorofluorohydrocarbons)
(Methane)
![Page 14: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/14.jpg)
Source: U.S. Greenhouse Gas Emissions Inventory (y-axis units are teragrams of CO2 equivalent)
![Page 15: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/15.jpg)
For the following graphs, please note the BEGINNING year:
![Page 16: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/16.jpg)
800,000 Year Record of Carbon Dioxide Concentration(Lüthi et al.; Tans; International Institute for Applied Systems Analysis)
Analysis of air bubbles trapped in an Antarctic ice core extending back 800,000 years.
![Page 17: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/17.jpg)
Note the close correlation between CO2 and global surface temperature.
![Page 18: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/18.jpg)
Note: While temperature may be going down, the trend is still UP!
![Page 19: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/19.jpg)
Hadley CRU - University of East Anglia Climate Research UnitMSU – Michigan State University
This is a short-term map, which does not show the long-term trend.
![Page 20: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/20.jpg)
![Page 21: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/21.jpg)
However, nine of the world’s hottest years have occurred this decade.
![Page 22: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/22.jpg)
![Page 23: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/23.jpg)
![Page 24: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/24.jpg)
![Page 25: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/25.jpg)
![Page 26: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/26.jpg)
"Bergie Seltzer"Melting water streams from iceberg calved from Ilulissat Kangerlua Glacier in Disko Bay, Greenland. When an iceberg melts, it makes a fizzing sound called "Bergie Seltzer." This sound is made when compressed air bubbles trapped in the iceberg pop.
![Page 27: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/27.jpg)
Himalayan Glacier
February 12, 1993
February 21, 2000
![Page 28: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/28.jpg)
Friday, 4 December 2009
Nepal cabinet holds meeting on Mount Everest
Nepalese ministers have held the world's highest cabinet meeting on Mount Everest, to raise awareness of the effects of climate change.
![Page 29: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/29.jpg)
Grinnell Glacier in Glacier National Park, Montana
![Page 30: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/30.jpg)
An iceberg reaches Macquarie Island, 930 miles southeast of Tasmania, Australia, on Nov. 16
![Page 31: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/31.jpg)
NASA & Chinese Study of ice cores from 5 Tibetan Plateau glaciers:
•Melting faster than global warming would suggest
•Found rapid increases in black soot since 1990’s
•Mostly from air pollution over Asia, especially India
•Soot-darkened snow and glaciers absorb sunlight- increased melting
![Page 32: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/32.jpg)
Black Soot and the Survival of Tibetan Glaciers
Posted December 15, 2009
NASA Earth Observatory
![Page 33: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/33.jpg)
![Page 34: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/34.jpg)
Loading Image...
Open boats on Shennong Stream, in the Three Gorges off the Yangtze River in China
![Page 35: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/35.jpg)
![Page 36: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/36.jpg)
Melting of Glaciers and Ice Sheets + Thermal Expansion
![Page 37: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/37.jpg)
Table 1. Estimated potential maximum sea-level rise from the total melting of present-day glaciers. http://pubs.usgs.gov/factsheet/fs50-98/]
LOCATION POTENTIAL SEA-LEVEL RISE (m)
East Antarctic ice sheet……………………………………….. 64.8
West Antarctic ice sheet………………………………………… 8.06
Antarctic Peninsula…………………… 0.46
Greenland………………………………… 6.55
All other ice caps, ice fields,and valley glaciers…………………………………….. 0.45 TOTAL 80.32
What would happen to Houston if the glaciers and ice of Greenland melted?
![Page 38: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/38.jpg)
U.S.G.S. – One meter rise in sea levels would affect 25% of of U.S. population.
Houston
New Orleans
Miami
![Page 39: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/39.jpg)
What would happen to London? To Amsterdam? To Calais?
![Page 40: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/40.jpg)
RESULTS OF RISING SEAS:
A woman speaks on her phone in flood waters during a period of seasonal high water in Venice November 30, 2009. The water level in the canal city rose to 130 cm (4 feet) above normal, according to the monitoring institute.
![Page 41: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/41.jpg)
Date: 14-Dec-09Country: INDONESIAAuthor: REUTERS
Photo: Yusuf Ahmad A Woman Prepares A Meal Inside Her House Which Is Surrounded By Sea Water As A Result Of Rising Sea Levels In Una Una , Indonesia
![Page 42: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/42.jpg)
More Slide Shows
The loss of permafrost and protective sea ice may force villages like Alaska's Shismaref to relocate.
![Page 43: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/43.jpg)
Aerial photo of Male Atoll, Republic of Maldives. Atoll will vanish with 2ºC temperature rise. NG Photo
![Page 44: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/44.jpg)
DESERTIFICATION
![Page 45: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/45.jpg)
Northwestern Kenya's drought has brought conflict between pastoralists
![Page 46: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/46.jpg)
![Page 47: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/47.jpg)
A villager walks through a partially dried reservoir in Yingtan, Jiangxi province October 29, 2009.Photo: Reuters
![Page 48: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/48.jpg)
The Milluni reservoir has receded as glaciers that provide some of Bolivia's water and electricity have melted and disappeared.
![Page 49: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/49.jpg)
![Page 50: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/50.jpg)
![Page 51: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/51.jpg)
![Page 52: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/52.jpg)
![Page 53: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/53.jpg)
![Page 54: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/54.jpg)
A farmer stands next to the burnt Amazon forest next to the city of Careiro da Varzea November 28, 2009.
![Page 55: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/55.jpg)
![Page 56: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/56.jpg)
![Page 57: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/57.jpg)
![Page 58: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/58.jpg)
![Page 59: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/59.jpg)
![Page 60: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/60.jpg)
![Page 61: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/61.jpg)
CONCLUSIONS:
1.Global warming is happening.
2.The correlation between global temperature and carbon dioxide concentration is very high.
![Page 62: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/62.jpg)
![Page 63: FACT OR MYTH? Laura Blackburn, LWV-Houston Area. MANMADE? Or NATURAL CAUSES Or BOTH ????](https://reader036.fdocuments.us/reader036/viewer/2022081603/56649e765503460f94b779a6/html5/thumbnails/63.jpg)