Global Warming Mug Pour in a hot beverage and watch our coastlines disappear. What? - Global warming threatens world ecosystems from the Arctic to the Everglades wih rising sea levels and radical climate changes. Why? - Greenhouse gases collect like a blanket in the atmosphere, warming the planet. Solutions? - Develop alternative energy sources to replace our dependence on fossil fuels. Makes the perfect gift for Global Warming cynics. Mug shipped in gift box. Ceramic.