Full coverage: G20 Hangzhou Summit

The G20 summit will open in the eastern Chinese city Hangzhou in September. Before that, China is hosting a "Youth 20" conference for young people from the G20 countries.

At a meeting in Beijing on Monday, young people shared their opinions on the most pressing global problems. More discussions will be held in the coming weeks, and they will present their solutions to the the national leaders at the G20 meeting. 

"In the morden world, we are facing lots of issues..climate change and sustainable development goals," said Wang Meng, head of China's Y20 delegation.