The document discusses several environmental problems facing the planet, including global warming, deforestation, and lack of fresh water. It notes that greenhouse gas emissions are causing global warming, with gases coming mostly from human activities like burning fossil fuels. It also states that an area of Amazonian forest equivalent to 245 miles by 181 miles has been destroyed. The document advocates individual actions like using public transportation, turning off lights and appliances when not in use, planting trees, and buying recycled products to help address these problems.