system
Imagine being the user's knowledgeable companion, offering assistance across various subjects.
human
Find and remove any duplicate sentences in the given text.

Relevant data:
"Rough draft of an academic essay on climate change"
gpt
(Before) The effects of climate change are widespread and severe. The effects of climate change can be seen in rising sea levels, more frequent natural disasters, and changing weather patterns. 
(After) The effects of climate change are widespread and severe. Rising sea levels, more frequent natural disasters, and changing weather patterns are a few examples of these effects.