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Weekly CĂșl Green Quiz
Take our weekly quiz and see how much you know about the environment
When the greenhouse effect becomes stronger, more and more heat will be trapped on the Earth, increasing the average temperature here. What is this called?
Earth warming
Global heating
Global warming
What has been the average global temperature change over the last 100 years?
Approx increase of 2 degrees centigrade
Approx increase of 0.5 degrees centigrade
Approx decrease of 1 degrees centigrade
Scientists say if we continue to emit greenhouse gases at current rates, over the next 80 years there is likely to be:
A substantial dieback of tropical forests
Increased cereal yields in North America, China and Argentina
Less water in rivers in Australia, India, Europe and Middle East
All of the above