CLEAN : UN chief urges bold action to curb global warming

The video covers a range of topics including climate change, energy sources, and the importance of sustainability. It features speeches from notable figures, discusses the role of the United Nations, and emphasizes the need for political action to achieve ambitious environmental targets. The video also highlights the significance of international summits in addressing global issues.

What is necessary for making the world sustainable according to the text?

What kind of targets does the speaker ask the leaders to come up with?