The document summarizes information about global warming, including its causes and potential solutions. It states that global warming is an increase in average temperatures since the mid-20th century, primarily due to human activities like burning fossil fuels. It then discusses temperature changes over time and identifies natural causes like methane release as well as man-made causes like pollution from fossil fuel burning. The effects mentioned include melting ice worldwide. Finally, it provides a list of seven simple solutions individuals can take, such as using CFL bulbs and recycling, to help address global warming.