This document discusses the causes and effects of global warming, as well as potential solutions. It states that global warming is caused by increased levels of carbon dioxide and other pollutants, which trap heat near the Earth's surface. Some effects of global warming include rising sea levels and more extreme weather. The document recommends limiting pollutants that contribute to global warming, investing in renewable energy, improving fuel efficiency and transportation infrastructure, and building greener homes and communities to help reduce the impacts of global warming.