Page 47 - GK 5

GRADE 5 Start Up G.K
ECO-SCOPE
Now, think of the Earth as a giant greenhouse.

The greenhouse gases act just like the glass, The dark future ahead…
this is how the Earth gets warm from the If global warming is not checked

Sun even though it is about 93 million miles timely, it may lead to a dangerous
Global away. The greenhouse gases like-carbon situation.
dioxide, water vapour, methane, nitrous
• Icebergs and glaciers will get
warming oxide and ozone allow the Sun’s rays to heated up, causing landslides

shine in but prevent the heat from escaping
and Climate the Earth. This way of warming the Earth’s • Tornadoes, hurricanes and
and flooding.

Change surface is called the greenhouse effect. droughts will become more

What is climate change? common natural calamities.
• Animals will not be able to
Our Earth has warmed twice as fast in the withstand the heat and will die.

last 50 years as in the 50 years before that.
Why is the Earth getting warmer? As the • Crops will wither and die due
We all complain that the Earth is getting to rising temperatures.

hotter and the days are getting warmer and temperature goes up, the amount of carbon
warmer. It is often said that it is due to Global dioxide in the air also goes up. As the carbon
Warming. But, what is Global warming? dioxide goes up, the temperature goes up Who is responsible for Global warming? What can you do?
even more. Carbon dioxide is a greenhouse We humans are most responsible for global
Global warming is the rising of the Earth’s gas. That means it traps heat from the You can do some simple things to

atmospheric temperature. Our Earth is Earth’s surface and holds the heat in the warming and thereby climate change. How? prevent global warming.
covered with a natural warm blanket that atmosphere. Mainly because of our two activities. • Save energy in your everyday

protects us from the harsh rays of the Sun Burning fossil fuels: life. Turn off the lights and fans
and allows for the nights to be cool. The Signs that the climate is changing. You can see more and more cars on the road and when not required. Switch off the
atmosphere is made up of greenhouse gases • surface temperature is rising on land more machines in industries and homes. When computer when not in use.

like carbon dioxide, water vapour, ozone and and sea. we use fossil fuels, coal or petroleum to run • Ask your parents to replace
environmental pollution. Global warming • sea level is rising these machines, we release carbon dioxide and normal lights at home with CFL
occurs because of the greenhouse effect. because seas other green house gases into the atmosphere lights. They consume less energy.

What is the greenhouse effect? and oceans are thereby preventing heat to escape from the • Tell your parents to switch off

Have you ever seen a greenhouse? Green getting warmer. Earth’s atmosphere. car engines when waiting for you
house are very warm all year round. They • glaciers are Deforestation: at school. This reduces fuel and

are made of glass, allowing the Sun’s rays to melting fast. It means cutting down of forests and green trees. thereby saves energy.
shine in but prevents the heat from escaping • rising When trees are cut down and burned, their • Spread awareness about global
once it is inside. temperatures are affecting plants stored carbon is released into the air as carbon warming and ways in which we

and animals. dioxide thereby contributing to global warming. can reduce it.

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