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GLOBAL WARMING

(n)


LECTURE OUTLINE(N)


What is(hv) global warming(n)?


How Global Warming(n) Works(v)

Carbon Dioxide (CO2) (n)

Fossil fuels(n) (coal, oil, natural gas)


Example of the Greenhouse Effect(n) The Sun’s(n) energy passes(v) through the car’s windshield(n). This energy (heat) is trapped(v) inside the car and cannot pass(v) back through the windshield(n), causing(v) the inside(n) of the car(n) to warm up(v).


Effects of Global Warming Rising(v) Sea Level(n)

Habitat(n) Damage(v) and

Increased(adj)Temperature(n)

Changes(v) in(prep) Water Supply(n)


What’s the(art.) proof(n) that global warming(n) is taking(v) place?


Portage Glacier(n) 

Alaska

1914

2004


Colorado River(n) 

Arizona

June 2002

Dec 2003


Why is global(n) warming happening(v)?


Burning(v) of Fossil Fuels(n)

Pollution(n) Pollution from coal(n), coal, natural natural gas(n), gas, and oil(n) oil


When did global warming(n) start(v)?


Global Atmospheric Concentration(n) of CO2(n)


How is(hv) global warming(n) measured(v)?


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(v) Gears(n)


What’s being done(v) now to reduce(v) our(pn) emissions(n)?

Wind Power(n)

Solar Power(n)

Fuel-Efficiency(n)


We(pn) can(hv) stop(v) global warming!


What can you(pn) do to help(av) solve(v) the(art) problem(n)?

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