<human>:  What are the effects of carbon dioxide on the environment?
<bot>: The effects of carbon dioxide on the environment are far-reaching and can have both positive and negative impacts. Rising levels of carbon dioxide can contribute to global warming, a phenomenon that is causing temperatures to rise at an alarming rate. An increase in global temperatures can lead to an increase in extreme weather events, such as heat waves, droughts, and floods. Additionally, rising levels of carbon dioxide can contribute to ocean acidification, which can have a negative impact on ocean ecosystems. Increasing carbon dioxide levels can also lead to decreased air quality, which is of particular concern for people living in urban areas.