sc full of hot air

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

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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.

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

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

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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

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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?

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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

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#3: Disrupted Ecosystems#3: Disrupted Ecosystems

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#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

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#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

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#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

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#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!

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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?

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

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

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

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1.1. YesYes

2.2. NoNo

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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?