is global warming the real deal? what do the oceans say? the future ain’t what it used to be!
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NASA Ambassadors Climate Day
Not so fast!This is weather,
not climate!
Is it the real deal?, or Is it the musings of idiot leftist
scientists & Democrats, like me?
Is it happening now? Why? Will it change my world? When? What is the role of the oceans?
Is it the real deal?, or Is it the musings of idiot leftist
scientists & Democrats, like me?
Is it happening now? Why? Will it change my world? When? What is the role of the oceans?
ItIt’’s the Real Deal! s the Real Deal! Global Warming Global Warming
Guaranteed!Guaranteed!
ItIt’’s the Real Deal! s the Real Deal! Global Warming Global Warming
Guaranteed!Guaranteed!
Global Warming, Global Warming, itit’’s the Real s the Real
Deal!Deal!But remember,But remember,natural climatenatural climategives us a wild gives us a wild
ride! ride!
Scratch a bully, find a dummy!
Heartland billboard planned series features Charles Manson, a mass murderer; and
Fidel Castro. Other global warming alarmists who may appear include Osama bin Laden.
Global Warming 101: The greatest sources of greenhouse gases
are fossil fuels burned for power &
transportation!
Rise of C0Rise of C022
Year
EmissionsEmissions
GtC or GtC or billions billions (10(1099) of ) of
metric tons metric tons of carbonof carbon
Annual global emissions of COAnnual global emissions of CO22 (as C) rose during the 20 (as C) rose during the 20thth
century to roughly 6.5 GtC/yr from fossil fuel combustioncentury to roughly 6.5 GtC/yr from fossil fuel combustion and about 1 GtC/yr from deforestation--and are now higher and about 1 GtC/yr from deforestation--and are now higher
The level in 2005 estimated to be:• 7.9 GtC/yr from fossil fuel use• 1.5 GtC/yr from land-use change
Energy Balance Has Inertia (Global Warming Is Slow)
Energy Balance Has Inertia (Global Warming Is Slow)
Atmosphere Atmosphere
Earth Warms
BalanceRestored
ButWarmerWorld
0.012°F/yr.
Short-term (year to year)
like EL Niño/La Niña can
“temporarily trump” climate change!
Where does the heat go?
Where does the heat go?
“How inappropriate to call this planet Earth when it is quite clearly Ocean.”
– Arthur C. Clarke –
Tide Gauge Observations
Average Rate ~ 1.8 mm/year
0.8 mm/year
2.0 mm/year
3.2 mm/year
[Church and White, 2006]
~ 8 inches(20 cm)Rece
nt Sea Level R
ise =
33% Warm
ing/67% Melti
ng
Dude, what happened to the beach and park?
���
���Sea Level at San Francisco, CA
Trend ~ 12 inches/150 years
Years
Re
lati
ve
Se
a L
ev
el, m
m
Years
Malibu’s “sandbagged & seawalled” Broad Beach. The once-wide sand strip, swept away by waves
and rising seas.
Human intervention makes beach erosion worse!
Minimum Arctic Sea Ice in summer, 1979
Minimum Arctic Sea Ice in summer, 2008
Arctic Ice Shrinking and Thinning!Thickness = 3.5m (1980) > 2.0m (2010)
Gangapurna Glacier, Nepal
1957
~ 2-3m thinning/yearCourtesy Doug Burbank, UCSB
Massive retreat of high- & low-
latitude glaciers today
2002
Greenland losing Greenland losing massmass
[Wouters et al., 2008]
362 Gt = 1 mm GMSL
186 Gt/year = 0.5 mm/year sea level rise
Without A Doubt!
Students need to learn critical
thinking. Stick with the facts!
Relax … it’s only the end of the world?
Absolutely Not!
We’ll Adapt to
a
Different Earth …
Mitigation? … Cutback our
Fossil Fuel Addiction!
Green our Economy!
Sustainability! Clean Water
& Air! Healthy Kids!
READ!READ!
Hot, Flat, and Crowded: Hot, Flat, and Crowded: Why We Need a Green Revolution Why We Need a Green Revolution
-- -- and How It Can Renew Americaand How It Can Renew America
- Thomas Friedman -
READ!READ!
Hot, Flat, and Crowded: Hot, Flat, and Crowded: Why We Need a Green Revolution Why We Need a Green Revolution
-- -- and How It Can Renew Americaand How It Can Renew America
- Thomas Friedman -
“If we lose this opportunity, it’s going to be a different world
for your kids and mine.”
“If we lose this opportunity, it’s going to be a different world
for your kids and mine.”
The End?
TO BE CONTINUED!
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