carbon dioxide behaves differently again sunlight hits the earth and warms it carbon dioxide receives this heat and reflects re radiates it back down warming more earth in effect carbon dioxide traps the heat keeping it on the earth and warming it moreif people were able to reduce the greenhouse gases carbon dioxide and methane in the atmosphere there would be more ice on the ice caps and on the glaciers and sea level would fallgain sunlight hits the earth and warms it carbon dioxide receives this heat and reflects re radiates it back down warming more earth in effect carbon dioxide traps the heat keeping it on the earth and warming it more