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What is the main cause of global warming?
The increase in greenhouse gases (carbon dioxide, methane and nitrous oxide).
What problems can fertilizer and pesticides cause?
They cause soil pollution, which is a threat to food security.
What is the greenhouse effect?
It is when heat gets trapped in the Earth’s atmosphere by greenhouse gases.
How do rainforests help to control global warming?
They absorb carbon dioxide.
What type of soil do rainforests grow on? Why is this a problem?
Poor quality soil, which means that it gets washed away by rain and may turn into desert.
Which countries use the most renewable energy?
Iceland and Costa Rica.
Why is taking the train better for the environment than planes?
The environmental impact can be 90% less.
What is more effective than recycling?
Choosing products that use less plastic and paper
