That's a fantastic and very relevant question, especially these days. I completely understand your concern about hygiene at public trash bins. The good news is, yes, there are definitely outdoor trash cans designed with touch-free openings, and they are becoming more common as cities and parks prioritize public health.
The most common type you'll encounter is the automatic sensor bin. These have a motion sensor (usually infrared) at the top. When you move your hand or your trash near the sensor, a motorized lid silently opens automatically, waits for you to drop your item in, and then closes after a few seconds. They are excellent for true hands-free operation and often run on batteries or solar power.
Another popular and often more affordable option is the foot pedal bin. While common indoors, they are also used in sheltered outdoor areas like bus stops or building entrances. You simply step on a pedal at the base to mechanically lift the lid. It keeps your hands completely away from the lid itself.
Some innovative designs even use solar-powered compactors. These not only open with a sensor but also crush the waste inside, allowing them to hold much more trash and reduce how often they need to be emptied, which is another hygiene benefit.
You can find these in airports, upscale parks, hospitals, and modern urban plazas. When you're out, look for bins with a sleek, modern design and a visible sensor panel or a clearly marked foot pedal. They are a smart choice for maintaining personal hygiene and contributing to a cleaner public environment for everyone.