Standard Card Sort

To what degree do you think the following factors contribute to global warming?

Use your mouse to drag the cards showing possible factors at the bottom into the groups at the top which indicate your opinion on the degree that they contribute to global warming. There is no 'correct' answer. If you feel cards don't apply to any category, tick the box to skip to the next card. At any time, you can review which cards are in which piles by clicking on the drop down menu and change your selection.