<human>:  Can you suggest some interesting world news stories from this week?
<bot>: This week, the United Nations released its report on climate change, warning of catastrophic effects if the world does not take immediate action. Canada officially adopted a ban on single-use plastics and Norway’s Arctic glaciers are melting faster than expected. In India, a Delhi court handed down a death sentence to a man convicted of rape, sparking widespread protest. A major cholera outbreak has been discovered in Tanzania. In the United States, the Department of Justice has shut down what it claimed was an international sex trafficking operation spanning three countries. These are just some of the interesting world news stories from this week.