My presentation

MAN BELIEVED THAT-

IN THE PAST

TODAY

DEVLOPMENT

MEANS

TO RAPE THE ENVIRONMENT THE MAXIMUM IN MINIMUM TIME

One of the most

burning topics

today.

Table Of

Contents

• What is ‘Global Warming’ ?

• Causes

• Effects

• What can be done ?

• ‘Global Warming’ Quiz

• Picture gallery

What is Global

Warming ?

A slow but sure escalation inthe overall temperature of theEarth's atmosphere generallyattributed to the g r e e n h o u s ee f f e c t caused by increasedlevels of carbon dioxide,CFCs, and other pollutants iscalled G l o b a l W a r m i n g .

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TOC

Causes

One of the most prominentcauses of the Global Warmingis the G r e e n h o u s e E f f e c t .

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TOCGreenhouse

Effect

Greenhouse Effect

The partial trapping of solarradiation by a planetaryatmosphere, similar to thetrapping of heat in a greenhouse.

B

a

c

k

t

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T

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C

When greenhouse gaseslike carbon dioxide, methane,chlorofluorocarbon(CFC’s) etc.trap the outgoing solarradiations of the sunreflected by the surface ofthe earth and do not allow theheat to escape then this isknown as greenhouse effectwhich causes GLOBAL

WARMING.

Effects

Global Warming has numerousharsh effects which arerepresented by these pictures:

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Already seen impacts of

GLOBAL

WARMING

15IPCC

The frequency of heavy precipitation events has

increased over most land areas

- Rainfall in Mumbai (India), 2005:

1 million people lost their homes

16IPCC

Intense tropical cyclone activity has increased

in the North Atlantic since about 1970

- Hurricane Katrina, 2005: up to $200 billion cost estimate

17IPCC

More intense and longer droughts have been observed over wider areas

since the 1970s, particularly in the tropics and subtropics

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oto

cre

dit: G

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dP

lanet

Mt. Kilimanjaro’ Glaciers are Melting Because of Global Warming

What can be done ?

"As a society, we can bluntthe worsening of global warming byimmediately cutting back on ourwasteful energy usage. If we donothing, the effects will be muchworse."

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Mitigation of Global

Warming

• Conservation• Reduce energy needs• Recycling

• Alternate energy sources• Nuclear• Wind• Geothermal• Hydroelectric• Solar• Fusion?

‘Global Warming’ Quiz

This is a small and easy quizcontaining 5+2=7 multiple choicequestions based on GlobalWarming.

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Go to Question

1

Question 1

Which gas is primarily andprominently responsible for globalwarming ?

• Nitrogen

• Argon

• Carbon dioxide

• Oxygen

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2

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2

Try again

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2

Question 2

The depletion of what cancontribute to stronger UV raysreaching Earth?

•Ozone layer

•Oxygen

•Clouds

•AtmosphereGo to Question

3

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3

Try again

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3

Question 3

Which of these depletes the ozone layer and causes Global Warming ?

•Nitrogen dioxide

•CFCs

•Ammonia

•None of the above

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4

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4

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4

Question 4

Greenhouse gases in the atmosphere are always BAD for the human beings and the environment.

•True

•False

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5

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5

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5

Question 5

Which of the following increasethe concentration of greenhousegases in the atmosphere ?

•Deforestation

•Excessive use of fossil fuels

•Landfill emissions

•All of the above

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6

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6

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6

Question 6

Which indian government oraganisation has got the carbon credit from UN for its effort in cutting pollution?

Delhi metro

BEST service (Mumbai)

None of the above

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7

Indian railways

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7

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7

Question 7

The programme “Save our beaches” was

Started by which TV channel?

IBN 7

NDTV INDIA

HEADLINES TODAY

BBC INDIA

Go to tocREPLAY

Go to tocREPLAY

Picture Gallery

To clarify the topics under Global Warming, here are some pictures:

One of the upshots of Global Warming which will cause an increase in sea-level.

The number of hurricanes will increase due to increase in temperature of marine water.

A number of species will become extinct due to loss of habitat.

Danger is

on verge