Did you know that the Earth’s average temperature has risen over one degree Fahrenheit in the past century? It might not sound like much, but think about it this way: A one-degree rise in your body temperature can lead to a fever. Five degrees can land you in the hospital. So guess what? Our Earth has a fever. And scientists believe Earth’s temperature could rise by 3 to 10 degrees this century. Why? For one thing: Greenhouse gases in the atmosphere. They raise the temperature by trapping heat. And warmer temperatures mean — you guessed it — less snow and ice. As they melt, what’s left behind are darker patches of land and water. And guess what dark colors do? Here’s a hint: Ever try wearing black clothes to the beach? Not a good idea. Black absorbs more sunlight, thus emits more heat, and makes you warmer. Not good. For you or the Earth. Here are some other possible symptoms of planetary fever: Shrinking glaciers. Shifting plant and animal ranges. Sea level rise. More intense heat waves. Stronger hurricanes. Experiencing any of these symptoms? It’s time to seek attention right away. Remember: the planet you save may be your own.