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Vivek Srivastava
What is global warming?
How Global Warming Works

Carbon Dioxide (CO2)

Fossil fuels (coal, oil, natural gas)
Example of the
Greenhouse Effect
The Sun’s energy
passes through the
car’s windshield.
This energy (heat)
is trapped inside
the car and cannot
pass back through
the windshield,
causing the inside
of the car to warm
up.
What’s the difference
between “global warming”
and “climate change”?
Difference
GLOBAL WARMING
is the increase of the
Earth’s average
surface temperature
due to a build-up of
greenhouse gases in
the atmosphere.

CLIMATE CHANGE
is a broader term that
refers to long-term
changes in climate,
including average
temperature and
precipitation.
Effects of Global Warming
Rising Sea Level

Habitat Damage and

Increased Temperature

Changes in Water Supply
What’s the proof that
global warming is taking
place?
Portage Glacier
• Alaska

1914

Photos: NOAA Photo Collection and Gary Braasch – WorldViewOfGlobalWarming.org

2004
Colorado River
• Arizona

June 2002

Dec 2003
Why is global warming
happening?
Burning of Fossil Fuels

Pollution from coal,
natural gas, and oil
When did global
warming start?
Global Atmospheric Concentration of CO2
How is global warming
measured?
Ice Core Data

CO2 Measurements Before 1958 - Antarctica
CO2 Atmospheric
Measurements

CO2 Measurements Since 1958 – Mauna Loa, Hawaii
1000 Years of CO2 and
Global Warming
Temperature
(Northern Hemisphere)

Year

Year

2000

1800

1600

1400

1200

1000

2000

1800

1600

1400

1200

1000

Parts Per Million

Degree Celsius Increase

CO2 Concentrations
Global
Warming:
Shifting Gears
nob a C
r
oT c rt e M o s nolli B
i
f
i

Goal:
Reductions in
2007
CO2 Per Year
oT c rt e Mnobr a ClnioB g G
i
f o s no l t a i
i

nob a C
r

Our Goal

2007

Reductions
in CO2
Per Year

Produce electricity
efficiently
Use electricity
efficiently
Vehicle efficiency
Solar and Wind
Power
Biofuels
Carbon capture
and storage
What’s being done now to
reduce our emissions?

Wind Power

Solar Power

Fuel-Efficiency
What can you do to help
solve the problem?
Simple Things To Do
Turn off your computer or the TV
when you’re not using it.
Take shorter showers. Heating water uses energy.
Keep rooms cool by closing the blinds, shades, or
curtains.
Turn off the lights when you leave a room.
Use compact fluorescent bulbs.
Be Bulb Smart—Use CFLs
Incandescent

What’s the
difference?

Compact
Fluorescent

500 lbs.
of coal
•1,430 lbs. CO2 pollution avoided
•$30 saved
Simple Things To Do
Dress lightly when it’s hot instead of turning up
the air conditioning. Or use a fan.
Dress warmly when it’s cold instead of turning
up the heat.
Offer to help your parents keep the air filters on
your AC and furnace clean.
Walk short distances instead of asking for a
ride in the car.
Plant a tree.

Recycle.
Global warming

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Global warming

  • 2. What is global warming?
  • 3. How Global Warming Works Carbon Dioxide (CO2) Fossil fuels (coal, oil, natural gas)
  • 4. Example of the Greenhouse Effect The Sun’s energy passes through the car’s windshield. This energy (heat) is trapped inside the car and cannot pass back through the windshield, causing the inside of the car to warm up.
  • 5. What’s the difference between “global warming” and “climate change”?
  • 6. Difference GLOBAL WARMING is the increase of the Earth’s average surface temperature due to a build-up of greenhouse gases in the atmosphere. CLIMATE CHANGE is a broader term that refers to long-term changes in climate, including average temperature and precipitation.
  • 7. Effects of Global Warming Rising Sea Level Habitat Damage and Increased Temperature Changes in Water Supply
  • 8. What’s the proof that global warming is taking place?
  • 9. Portage Glacier • Alaska 1914 Photos: NOAA Photo Collection and Gary Braasch – WorldViewOfGlobalWarming.org 2004
  • 11. Why is global warming happening?
  • 12. Burning of Fossil Fuels Pollution from coal, natural gas, and oil
  • 15. How is global warming measured?
  • 16. Ice Core Data CO2 Measurements Before 1958 - Antarctica
  • 17. CO2 Atmospheric Measurements CO2 Measurements Since 1958 – Mauna Loa, Hawaii
  • 18. 1000 Years of CO2 and Global Warming Temperature (Northern Hemisphere) Year Year 2000 1800 1600 1400 1200 1000 2000 1800 1600 1400 1200 1000 Parts Per Million Degree Celsius Increase CO2 Concentrations
  • 20. nob a C r oT c rt e M o s nolli B i f i Goal: Reductions in 2007 CO2 Per Year
  • 21. oT c rt e Mnobr a ClnioB g G i f o s no l t a i i nob a C r Our Goal 2007 Reductions in CO2 Per Year Produce electricity efficiently Use electricity efficiently Vehicle efficiency Solar and Wind Power Biofuels Carbon capture and storage
  • 22. What’s being done now to reduce our emissions? Wind Power Solar Power Fuel-Efficiency
  • 23. What can you do to help solve the problem?
  • 24. Simple Things To Do Turn off your computer or the TV when you’re not using it. Take shorter showers. Heating water uses energy. Keep rooms cool by closing the blinds, shades, or curtains. Turn off the lights when you leave a room. Use compact fluorescent bulbs.
  • 25. Be Bulb Smart—Use CFLs Incandescent What’s the difference? Compact Fluorescent 500 lbs. of coal •1,430 lbs. CO2 pollution avoided •$30 saved
  • 26. Simple Things To Do Dress lightly when it’s hot instead of turning up the air conditioning. Or use a fan. Dress warmly when it’s cold instead of turning up the heat. Offer to help your parents keep the air filters on your AC and furnace clean. Walk short distances instead of asking for a ride in the car. Plant a tree. Recycle.

Editor's Notes

  1. Scientists agree that the burning of fossil fuels is causing global warming. Since these fuels are burned for energy, and everyone uses energy, everyone can help stop global warming just by using less energy or energy from renewable sources!