a gradual increase in world temperatures caused by gases such as carbon dioxide that are collecting in the air around the earth and stopping heat escaping into space
global warming
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15
containers for waste that will be recycled, for example, paper or glass
recycling bins
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15
light bulbs that require less electricity than the standard ones
low-energy light bulbs
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trap
No points!
Oops!
magnet
Take 20 points!
Okay!
rocket
Go to first place!
Okay!
lifesaver
Give 25 points!
Oops!
eraser
Reset score!
Oops!
rocket
Go to first place!
Okay!
shark
Other team loses 25 points!
Okay!
baam
Lose 15 points!
Oops!
15
panels that are designed to absorb the sun's rays as a source of energy for generating electricity or heating
solar panels
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15
a change in the average conditions â such as temperature and rainfall â in a region over a long period of time
climate change
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15
harmful effects to Earth and its natural systems that happened because of the actions of humans
environmental issues
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15
it is a way to generate energy from unlimited natural resources that are available with no time limit or come back more quickly than the rate at which they are used.
