Full of Full of HotHot Air AirAn Interactive Family Forum An Interactive Family Forum

on on Global WarmingGlobal Warming

byby

Stephanie Radi Stephanie Radi Charlie TrautmannCharlie Trautmann

SciencenterSciencenterIthaca, NY USAIthaca, NY USA

Is there a difference between Is there a difference between weather and climate?weather and climate?

1.1. YesYes

2.2. NoNo

3.3. UnsureUnsure

Yes N

o

Unsu

re

80%

0%

20%

0

Answer Now

What is the difference What is the difference between weather between weather

and climate?and climate?• WEATHER: Wind, temperature, rain – WEATHER: Wind, temperature, rain –

things that change daily. things that change daily.

• CLIMATE: The average weather over many CLIMATE: The average weather over many years. years.

Is the Earth warming?Is the Earth warming?

• YES! The Earth is warmer now than in YES! The Earth is warmer now than in the past 1,000 years.the past 1,000 years.

• The average surface temperature has The average surface temperature has risen 0.6risen 0.6° ° C (1C (1° F)° F) in the past century. in the past century.

Temperature Is Rising…Temperature Is Rising…Jo

nes,

P.D

. and

Mob

erg,

A. (

2003

) "H

emis

pher

ic a

nd la

rge-

scal

e su

rfac

e ai

r te

mpe

ratu

re v

aria

tions

: An

ext

ensi

ve r

evis

ion

and

an u

pdat

e to

200

1". J

ourn

al o

f Cl

imat

e, 1

6, 2

06-2

23.

Do You Think Global Warming Do You Think Global Warming Will Affect Your Life?Will Affect Your Life?

Yes N

o

Unsu

re

80%

0%

20%

1.1. YesYes

2.2. NoNo

3.3. UnsureUnsure

58

Answ

er now

How Does the Earth How Does the Earth Receive Receive Heat??

The “Greenhouse Effect”The “Greenhouse Effect”w

ww

.bri

tain

4ki

wik

ids.

org

.nz/

new

s/g

lob

al.h

tml

Why is the Earth Warming?Why is the Earth Warming?

We are putting greenhouse gases We are putting greenhouse gases

into the atmosphere.into the atmosphere.

Why Are Greenhouse Gases Why Are Greenhouse Gases Increasing?Increasing?

• We burn fossil fuels (coal, gas, oil) to:We burn fossil fuels (coal, gas, oil) to:– Make powerMake power– Run our carsRun our cars– Heat our homesHeat our homes

• Whenever we burn fossil fuels, we create Whenever we burn fossil fuels, we create greenhouse gasesgreenhouse gases

We Are Releasing More Carbon Dioxide (CO2) Over Time

Mar

land

, G., T

.A. B

oden

, and

R. J

. And

res.

200

3. "

Glo

bal,

Regi

onal

, and

Nat

iona

l CO

2 Em

issi

ons.

" In

Tre

nds:

A C

ompe

ndiu

m o

f D

ata

on G

loba

l Cha

nge.

Car

bon

Dio

xide

Inf

orm

atio

n An

alys

is C

ente

r, O

ak R

idge

Nat

iona

l Lab

orat

ory,

U.S

. D

epar

tmen

t of

En

ergy

, Oak

Rid

ge, T

enn.

, U.S

.A.

Greenhouse Gases Come From:Greenhouse Gases Come From:

This

fig

ure

was

pre

pare

d by

Rob

ert

A. R

ohde

fro

m p

ublic

ly a

vial

able

dat

a an

d is

par

t of

the

Glo

bal

War

min

g Ar

t pr

ojec

t.

Electric Power, 21%

Industry, 17%

Transportation, 14%

Agriculture, 13%

Creating fuels, 11%

Heating, 10%

Other, 14%

Temperature and Carbon Temperature and Carbon Dioxide Are Rising TogetherDioxide Are Rising Together

Which of the following is NOT a Which of the following is NOT a greenhouse gas?greenhouse gas?

Car

bon Dio

xide

Wate

r Vap

or

Oxy

gen

Met

hane

0% 0%

50%50%

46

1.1. Carbon DioxideCarbon Dioxide

2.2. Water VaporWater Vapor

3.3. Oxygen Oxygen

4.4. MethaneMethane

A n s we r

N o w

Global Warming Global Warming is Causing Many is Causing Many Changes on EarthChanges on Earth

Clues about how Clues about how the Global Climate the Global Climate

is Warmingis Warming

#1: Melting Polar Ice#1: Melting Polar Ice

February 17, 2002February 17, 2002

ww

w.e

xplo

rato

rium

.edu

16 days 16 days laterlater

Larsen B Ice Shelf - Antarctica

# 2: Melting Glaciers# 2: Melting GlaciersJu

ly 7

th, 1

909

by U

lyss

es S

herm

an G

rant

, USG

S ph

oto

libra

ry, p

ublic

dom

ain

[2]

Aug

ust 11

, 20

04 b

y Br

uce

F. M

olni

a, U

SGS,

pub

lic d

omai

n

#3: Disrupted Ecosystems#3: Disrupted Ecosystems

Bleaching of the Bleaching of the Great Barrier ReefGreat Barrier Reef

NO

AA

Copy

right

(c)

200

4 Ric

hard

Lin

g

Healthy CoralHealthy Coral

#3: Disrupted Ecosystems#3: Disrupted Ecosystems

Belief: The golden toad is now Belief: The golden toad is now extinct because of loss of habitat extinct because of loss of habitat

caused by global warmingcaused by global warming

US

Fish

and

Wild

life

Serv

ice

#4: Increased Hurricane Activity#4: Increased Hurricane Activity

FACT: 2005 - Most Category 5 hurricanes in FACT: 2005 - Most Category 5 hurricanes in the Atlantic Oceanthe Atlantic Ocean

This

imag

e is

a w

ork

of t

he N

atio

nal O

cean

ic a

nd A

tmos

pher

ic A

dmin

istr

atio

n,

take

n or

mad

e du

ring

the

cour

se o

f an

em

ploy

ee's

off

icia

l dut

ies.

#5: Heat Waves#5: Heat Waves

FACT: 2003 heat wave killed FACT: 2003 heat wave killed at least 35,000 Europeans at least 35,000 Europeans

http

://e

arth

obse

rvat

ory.

nasa

.gov

/Nat

ural

Haz

ards

/nat

ural

_haz

ards

_v2.

php3

?im

g_id

=1

1166

#6: Sea Level Rise#6: Sea Level Rise

FACT: 100 million people live FACT: 100 million people live within 100 cm of above sea level!within 100 cm of above sea level!

This

fig

ure

was

pre

pare

d fr

om p

ublic

ly a

vaila

ble

data

by

Rob

ert

A. R

ohde

.

What Does Global Warming What Does Global Warming Mean for Humans?Mean for Humans?

Change in Change in where where rain falls:rain falls:

– More flooding More flooding

– More droughtsMore droughts

Do You Know Someone Who Do You Know Someone Who Lives Near the Ocean?Lives Near the Ocean?

Yes No

100%

0%

1.1.YesYes

2.2.NoNo

10

A ns we r N ow

Environmental Studies Laboratory, Department of Geosciences, The University of ArizonaAll contents © 2003 Arizona Board of Regents

Now

Environmental Studies Laboratory, Department of Geosciences, The University of ArizonaAll contents © 2003 Arizona Board of Regents

+1 meter

Do You Think Global Warming Do You Think Global Warming Will Affect Your Life?Will Affect Your Life?

Yes N

o

Unsu

re

75%

0%

25%

1.1. YesYes

2.2. NoNo

3.3. UnsureUnsure

59 Answ

er now

How Science is Helping…How Science is Helping…

1.1.Helping us understand Helping us understand how how the climate is changingthe climate is changing

2.2.Creating new waysCreating new ways to reduce to reduce greenhouse gasesgreenhouse gases

And…And…WEWE can make a can make a

difference!difference!

What Can I Do?What Can I Do?

1. Change 5 light bulbs to compact 1. Change 5 light bulbs to compact fluorescentfluorescent

• Use ¼ as much energy Use ¼ as much energy

• If every household did this, we could cut If every household did this, we could cut 30 million tons of CO2 each year30 million tons of CO2 each year

What Can I Do?What Can I Do?

2. Wash clothes in cold (not hot) 2. Wash clothes in cold (not hot) water, run one less load / weekwater, run one less load / week

• Save 216 kg CO2 per householdSave 216 kg CO2 per household• If every household did this, we could cut 24 If every household did this, we could cut 24

million tons of CO2 each yearmillion tons of CO2 each year

What Can I Do?What Can I Do?

3. Reduce shower time to 5 min + 3. Reduce shower time to 5 min + install a low-flow shower headinstall a low-flow shower head

• Save 193 kg CO2 per householdSave 193 kg CO2 per household

• If every household did this, we could cut 64 If every household did this, we could cut 64 million tons of CO2 each yearmillion tons of CO2 each year

What Can I Do?What Can I Do?

4. Buy a sweater and set your 4. Buy a sweater and set your thermostat to 18thermostat to 18° C (° C (6565°° F) days F) days and 13and 13° C (° C (5555° ° F) at night F) at night

• Save 650 kg CO2 per householdSave 650 kg CO2 per household• If every household did this, we could cut 71 If every household did this, we could cut 71

million tons of CO2 each yearmillion tons of CO2 each year

What Can I Do?What Can I Do?

5. Turn off lights when not needed5. Turn off lights when not needed

• Save 178 kg CO2 per householdSave 178 kg CO2 per household

• If every household did this, we could cut 20 If every household did this, we could cut 20 million tons of CO2 each yearmillion tons of CO2 each year

What Can I Do?What Can I Do?

6. Buy wind-generated (“green”) power6. Buy wind-generated (“green”) power

• Purchase for $20 for 800 kWh / monthPurchase for $20 for 800 kWh / month

• Save 1560 kg CO2 per householdSave 1560 kg CO2 per household

• If every household did this, we could cut 173 million If every household did this, we could cut 173 million tons of CO2 each yeartons of CO2 each year

Putting it together…Putting it together…

If we all did these 6 things:If we all did these 6 things:

• Save $75 per year in energy costsSave $75 per year in energy costs

• Cut 900 million tons of CO2, or 15% Cut 900 million tons of CO2, or 15% of the country’s total CO2 emissions.of the country’s total CO2 emissions.

What Else Can I Do?What Else Can I Do?

Talk to people!Talk to people!

• Let your friends know about global warmingLet your friends know about global warming

• Urge business leaders and politicians to Urge business leaders and politicians to think about the environment as they make think about the environment as they make decisionsdecisions

With everyone’s help,With everyone’s help, We We cancan change the world! change the world!

Questions?Questions?