<human>:  What are the causes and effects of climate change?
<bot>: Causes: The main cause of climate change is the increasing levels of carbon dioxide in the atmosphere due to the burning of fossil fuels and deforestation. Other factors that contribute to climate change are agricultural activity, increased urban development, and changes in land use.Effects: The effects of climate change include rising global temperatures, more frequent and intense storms and flooding, extreme weather events such as droughts and heat waves, ocean acidification, and increased risk of extinction for some species. These effects will have a variety of impacts on people, plants and animals, and the environment.