Without the natural greenhouse effect on Earth, life as it exists today would not be possible. In order to understand the cause and effects of global warming, it is first necessary to understand the Earth's natural greenhouse effect and the roles of the various greenhouse gases, such as carbon dioxide (CO2). This chapter looks at the difference between the Earth's natural greenhouse effect and the enhanced greenhouse effect and illustrates why and how humans are contributing to a global problem destined to ruin the health of the planet if not stopped. It also looks at the issue of global dimming, what it is, what causes it, its interaction with global warming, and what it means for the future.
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Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.