A resident is putting a plastic bottle into the artificial intelligence (AI) garbage-sorting machine on the Shanghai Zhangjiang AI Island on Thursday. Nearly 30 of these machines have been put into use in the island's crowded area. /VCG Photo

The machine, which is powered by solar energy or electrical charging devices, can recognize nearly 95 percent of the types of recyclable waste. /VCG Photo

This machine will be showcased at the upcoming World AI Conference in Shanghai. A total of 2,000 machines are expected to be in use at the end of this year. /VCG Photo