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Презентация, доклад на тему Global Warming

Презентация на тему Global Warming, из раздела: Английский язык. Эта презентация содержит 28 слайда(ов). Информативные слайды и изображения помогут Вам заинтересовать аудиторию. Скачать конспект-презентацию на данную тему можно внизу страницы, поделившись ссылкой с помощью социальных кнопок. Также можно добавить наш сайт презентаций в закладки! Презентации взяты из открытого доступа или загружены их авторами, администрация сайта не отвечает за достоверность информации в них. Все права принадлежат авторам презентаций.

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Слайд 1
Текст слайда:

It's Gettin' Hot in Here!

Presented by :
ECOSCI
The Academy of Mt. St. Ursula


Слайд 2
Global Warming – What is it?Rise in earth’s temperatureResults from changes in
Текст слайда:

Global Warming – What is it?

Rise in earth’s temperature
Results from changes in the natural environment
Caused by too much carbon dioxide


Слайд 3
The Greenhouse EffectSolar radiation from the Sun reaches the Earth’s atmosphereThe surface
Текст слайда:

The Greenhouse Effect

Solar radiation from the Sun reaches the Earth’s atmosphere
The surface of the Earth absorbs most of the short-rayed insolation and later releases this heat in the form of infrared radiation into the atmosphere.
Some of the heat is absorbed by particles known as “greenhouse gases.”
The heat retained by the gases acts as a “heat blanket.”


Слайд 4
The Greenhouse EffectWithout         With
Текст слайда:

The Greenhouse Effect

Without With


Слайд 5
Burning of fossil fuelsThe burning of fossil fuels releases Carbon dioxide in
Текст слайда:

Burning of fossil fuels

The burning of fossil fuels releases Carbon dioxide in the atmosphere.

In the past 150 years, burning fossil fuels has caused a 25 % increase in Carbon dioxide emissions.


Слайд 6
Carbon dioxide
Текст слайда:

Carbon dioxide


Слайд 7
Burning of fossil fuelsIn the last 200 years:Nitrous oxide has increased 17%.Methane has increased 150%!!
Текст слайда:

Burning of fossil fuels

In the last 200 years:

Nitrous oxide has increased 17%.

Methane has increased 150%!!


Слайд 8
CO2  |  NH4  |  N20
Текст слайда:

CO2 | NH4 | N20


Слайд 9
The Ties Between Sardines & Global WarmingThe over-hunting of sardines has caused
Текст слайда:

The Ties Between Sardines & Global Warming

The over-hunting of sardines has caused higher levels of phytoplankton in the ocean.
While living, phytoplankton release oxygen into the atmosphere and use Carbon for photosynthesis
When they die, their decay releases large amounts of methane and the poisonous gas, hydrogen sulfide. It also uses large amounts of oxygen.


Слайд 10
Sardines & Global Warming (Cont.)Methane is 21 times more effective than carbon
Текст слайда:

Sardines & Global Warming (Cont.)

Methane is 21 times more effective than carbon dioxide in maintaining heat in the atmosphere.
This results in the deaths of numerous marine animals.


Слайд 11
Effects of global warmingMore carbon dioxide ->  increase in plant growth.The
Текст слайда:

Effects of global warming

More carbon dioxide -> increase in plant growth.
The increase in temperature -> rise in sea level from melting glaciers and polar ice caps (adds 0.2 mm annually)
Rising temperatures will also cause drier conditions in many important agricultural regions.


Слайд 12
GLOBAL WARMING: Sea LifeGLOBAL WARMING’S NEGATIVE IMPACT ON SEA LIFE—Coral Reef Bleaching—
Текст слайда:

GLOBAL WARMING: Sea Life

GLOBAL WARMING’S NEGATIVE IMPACT ON SEA LIFE—
Coral Reef Bleaching—
Change in temperature and elevated sea level cause loss of algae in the coral.
Coral appears white, or “bleached.”
Result is mass death of sea animals, which are dependent on the coral reef.
The penguin population near Antarctica has been declining as the distance between them and their food has increased.



Слайд 13
Rising Sea levelsThe rise of temperature, even to a few degrees, could
Текст слайда:

Rising Sea levels

The rise of temperature, even to a few degrees, could lead to the melting of ice shelves that hold back glaciers. This results in rising sea levels
The Larsen area of North Antarctic, South of Chili and Argentina have lost more than 5,200 sq miles of area.



Слайд 14
The Effects of Global Warming on Land animalsGlobal warming can disrupt the
Текст слайда:

The Effects of Global Warming on Land animals

Global warming can disrupt the migration, hibernation and reproductive cycles of certain types of animals.
Plants and animals will find it hard to escape or adjust to the effects of warming because humans occupy so much land.
Farmland or cities interrupt the movement of species between habitats.


Слайд 15
Health & Global WarmingExtreme temperatures can directly cause the loss of life
Текст слайда:

Health & Global Warming

Extreme temperatures can directly cause the loss of life (ex: 35,000 people died during heat wave in Europe, Aug‘03.)
Warmer weather provides an ideal breeding environment for mosquitoes. Diseases such as West Nile will be more common.

.


Слайд 16
Health & Global Warming (cont.)High temperature can increase pollution of water and
Текст слайда:

Health & Global Warming (cont.)

High temperature can increase pollution of water and air, which harms the human body.

.


Слайд 17
Tropical Diseases	Global Warming increases drought which lessens the supply of clean drinking
Текст слайда:

Tropical Diseases

Global Warming increases drought which lessens the supply of clean drinking water.
Cholera

It increases temperature providing an ideal breeding environment for mosquitoes.
Dengue fever
Malaria
Yellow fever


Слайд 18
IMPACT ON AIRThe atmosphere’s ultimate fate is unclear. 		More evaporation ? increase
Текст слайда:

IMPACT ON AIR

The atmosphere’s ultimate fate is unclear.
More evaporation ? increase in cloud cover

How High Will the Clouds Be? It makes a difference!
Clouds close to the earth reflect sunlight ? cooling effect.
Clouds high in the atmosphere trap heat ? warmingeffect.

Generally:
Cloud cover increases
Levels of the greenhouse gas methane may increase
Hurricanes range farther north, south on warmer water


Слайд 19
El Niño Effect     Severe oceanic/atmospheric disturbance,
Текст слайда:

El Niño Effect

Severe oceanic/atmospheric disturbance,
every 7-14 yrs (“the child”)
Warm surface waters suppress cold, nutrient-rich upwelling of the Humboldt Current
? Fall in the number of plankton
Wreaks havoc upon the entire ocean food chain
Devastates the fishing industry


Слайд 20
El Niño Effect     Complete reversal of the trade
Текст слайда:

El Niño Effect

Complete reversal of the trade winds: torrential rain, flooding, and mudslides to the usually dry coastal areas of Peru and Ecuador.


Слайд 21
El Niño Effect     Collapse of the monsoons in
Текст слайда:

El Niño Effect

Collapse of the monsoons in Asia ? severe drought to Indonesia and northern Australia.
Severe weather disturbances in other parts of the world, such as droughts in areas of Africa and central North America.


Слайд 22
Kyoto Protocol The Kyoto Protocol is an amendment to the United Nations
Текст слайда:

Kyoto Protocol


The Kyoto Protocol is an amendment to the United Nations Framework Convention on Climate Change (UNFCCC)
UNFCCC, an international treaty on global warming
Countries which ratify this protocol commit to reduce their emissions of carbon dioxide and five other greenhouse gases
A total of 141 countries have ratified the agreement. Notable exceptions include the United States and Australia





Слайд 23
Kyoto Protocol It’s Getting Warmer! ? TemperatureArea of Ice
Текст слайда:

Kyoto Protocol It’s Getting Warmer!


? Temperature

Area of Ice


Слайд 24
It was negotiated in Kyoto, Japan in December 1997, opened for signature
Текст слайда:

It was negotiated in Kyoto, Japan in December 1997, opened for signature on March 16, 1998, and closed on March 15, 1999
Current estimates are that even if successfully and completely implemented, the Kyoto Protocol is predicted to reduce the average global temperature by somewhere between 0.02°C and 0.28°C by the year 2050


It was negotiated in Kyoto, Japan in December 1997, opened for signature on March 16, 1998, and closed on March 15, 1999
Current estimates are that even if successfully and completely implemented, the Kyoto Protocol is predicted to reduce the average global temperature by somewhere between 0.02°C and 0.28°C by the year 2050


Continued..


Слайд 25
UN Framework
Текст слайда:

UN Framework On Climate Change

Article 2 (iv) Research on, and promotion, development and increased use of, new and renewable forms of energy, of carbon dioxide sequestration technologies and of advanced and innovative environmentally sound technologies
(vi) Encouragement of appropriate reforms in relevant sectors aimed at promoting policies and measures which limit or reduce emissions of greenhouse gases not controlled by the Montreal Protocol;
(viii) Limitation and/or reduction of methane emissions through recovery and use in waste management, as well as in the production, transport and distribution of energy



Слайд 26
The Climate Stewardship ActFirst introduced in the senate in 2003 and reintroduced
Текст слайда:

The Climate Stewardship Act

First introduced in the senate in 2003 and reintroduced in February 2005
It would reduce carbon dioxide, methane, nitrous oxide, hydroflurocarbon and perfuorocarbons which are released by power plants to 2000 levels by 2010.
The bill reduces the risk of global warming without hurting the economy.


Слайд 27
How To Prevent  Global Warming:Plant treesConserve energy:	(examples: 1. use low-energy, low-water-use
Текст слайда:

How To Prevent Global Warming:

Plant trees
Conserve energy:
(examples: 1. use low-energy, low-water-use washing machines, 2. use a solar heated system for hot water, 3. use an electric or push mower for gasoline powered mower)
Buy energy efficient products
Buy products that have reusable or recyclable packaging
Reduce use of car (walk instead)



Слайд 28
Reduce,Reuse, Recycle!3R’s of Saving Mother Nature
Текст слайда:

Reduce,

Reuse,

Recycle!

3R’s
of Saving Mother Nature