Do you like warm weather? Do you wish it could be warmer still? Be careful what you wish for. The Earth may be moving in that direction and the trend is called Global Warming.

Do you wonder what causes the warming of the Earth?

Earth is given energy through sunlight and this light turns to heat when it hits the ground. The heat in turn seeps away from the Earth, but the atmosphere slows the heat’s escape. The atmosphere is a layer of air around the planet and it holds in some of the warmth.

The atmosphere is a mixture of many gases. In the last 250 years, this mixture has been changing. The amounts of gases such as methane and carbon dioxide have been rising. These gases trap heat more effectively than other gases. They make the Earth’s atmosphere act like the glass in a greenhouse. It lets sunlight…