Most countries in the European Union change their clocks on the last Sundays of March and October.
Learn why we change our clocks. Don't forget to set your clocks ahead!
Find out how much you know about reducing energy and greenhouse gases.
To start, chose a room in the house. Search for questions by clicking on things in the room. As you answer the questions you'll find out some cool facts about how you can save energy around the house.
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