The city rolled out its largest recycling expansion in 25 years Wednesday.
Starting now, all rigid plastics can be recycled, including yogurt containers, shampoo bottles, plastic cups, coat hangers and toys.
Citywide, it's expected to keep 50,000 additional tons of waste out of landfills every year.
The mayor said improved technology is making it possible, because now, machines can sort different types of rigid plastics automatically.
"It just doesn't work if you have to do it by hand," Bloomberg said. "Now, there's optical technology that knows what it is and sorts things out. So you can do a lot of things, and it's going to get better with time."
Non-rigid plastics, such as grocery bags and plastic wrap, are still not recyclable.
The city will begin enforcing the recycling of rigid plastics starting in July.
For more information, go to nyc.gov/recycling.