溫室效應(yīng)英文課件

Team

members：汪宇劉凱孫航舒云安1The

Greenhouse

EffectGreenhouseWhat

isgreenhouse?How

does

itinfluence

us?What

are

thefactors?What

has

beendone

to

settle

it?Our

opinionsandsuggestions2What

is

greenhouse?DefinitionThe

so-called

greenhouse3effect

is

short-waveradiation

throughsolartheatmosphere

into

the

ground,and

warming

the

groundafter

the

length

of

radiationbeing

released

in

theatmosphere

by

absorbingcarbon

dioxide

and

othersubstances,

thereby

creatingthe

effect

of

atmosphericwarming.Greenhouse

gas:Carbon

dioxide

is

notthe

only

greenhousegas.Other

gases,

such

asmethane

(CH4)

andnitrous

( 氮的、硝的）oxide

(NO),

are

evenstrongerinfrared（紅外線的）absorbers.4The

natural

greenhouse

effect

is

crucial（決定性的）

for

maintaining

the

propertemperature

needed

to

sustain(支持、支撐）life

on

Earth.BUT

:THEGLOBALWARMING!!!5Global

warming6TemperatureA

worldwide

greenhouse

effect

might

produce

adangerously

warmer

world.Since

the

late

19th

century,

the

average

globaltemperature

has

increased

between

0.3°

C

and

0.6

°C.

Internationally,

2010

was

the

hottest

year

onrecord

since

official

weather

records

first

startedbeing

kept

by

the

British

in

about

1860.7Estimates（估計(jì)）

of

globalaverage

temperatures

haveprojected

an

increase

of

asmuch

as

5°C

before

the

year2100.

Such

a

rise

in

globaltemperature

would

producenew

patterns

and

extremedrought

and

rainfall,

whichwould

seriously

disrupt

food.

This

couldproductionpotentiallyAmericancorn

belt

,cripple

the

Northwhichproduces

much

of

the

world'sgrain,

leading

to

much

higherfood

prices,

and

even

less

foodfor

the

Third

World

than

theyalready

have.8The

other

serious

worryis

thatrisingsealevelsfrom

the

melting

of

thepolar

ice

could

severelyflood

many

countries.

Arise

in

sea

levels

of

onemetre,

which

manyexperts

are

predicting

bythe

year

2100

(and

someas

soon

as

2030),

wouldflood

15

percent

of

Egypt（埃及）,and

12

percentof Bangladesh(

孟加拉國(guó)

).The

Maldives (

馬爾代夫）in

the

Indian

Oceanwould

almost

completelydisappear.返回9What

are

the

factors?

The

mankind

burning

coal,oil,

naturalgas

and

treeand

produce

a

great

deal

of

carbon

dioxide

andmethane

so

many

years,

those

gases

get

into

theatmosphere

make carbon

circulate

adisequilibrium

and

have

changed

the energy

oftheEarth

biosphere

conversion

form.

And

finallybecome

global

warming.10What

had

we

done11What

has

been

done

to

settle

it?Kyoto

Protocol《 京都議定書

》 （英文：

KyotProtocol，又譯《京都協(xié)議書》、《京都條約》；全稱《聯(lián)合國(guó)氣

候變化框架公約的京都議定書》）是《聯(lián)合國(guó)氣候變化框架公約》（United Nations FrameworkConvention on ClimateChange，UNFCCC）的補(bǔ)充條款。是1997年12月在日本京都由聯(lián)合國(guó)氣候變化框架公約參加國(guó)三次會(huì)議制定的。其目標(biāo)是“將大氣中的溫室氣體含量穩(wěn)定在一個(gè)適當(dāng)?shù)乃?，進(jìn)而防止劇烈的氣候改變對(duì)人類造成傷害”。12AOSIS

(小島國(guó)聯(lián)盟):Most

of

the

countries

whichwould

suffer

mostly

from

arise

in

sea

levels

are

the

poorisland

states,so

the

islands

inthe

Caribbean

（加勒比海的）,South

Pacific

（ 太平洋的）

,Mediterranean

（ 地中海的）and

Indian

Ocean

haveformed

the

Alliance（聯(lián)盟）ofSmall

Island

States,

AOSIS,

so

they

have

a

louder

voice

ininternatioanl

politics

and

canmake

the

richer

developedworld

listen

to

their

problems.13返回What

should

we

do

:*Take

the

public

transportation*Don't

set

off

the

firecrackers

（爆竹）*Use

solar

energy*A