That's an excellent question, and your concern about hygiene is completely valid, especially in high-traffic urban areas. The good news is that yes, there are several types of urban trash cans designed with hands-free opening mechanisms to minimize contact with germs.
The most common type is the pedal-operated bin. You've likely seen these in public restrooms or parks. They feature a foot pedal that you press with your foot to lift the lid, keeping your hands entirely free from the bin's surface.
A more advanced and increasingly popular option is the sensor-activated or motion-sensor bin. These use infrared technology to detect when a hand or object is waved over a sensor. The lid then opens automatically, providing a truly touchless experience. You'll often find these in modern office buildings, airports, and upscale public spaces.
Some models offer a "wave-to-open" feature, where you simply move your hand in front of a sensor without needing to touch anything. This technology is becoming more affordable and is being integrated into public waste management systems in many cities.
When you're out and about, look for bins with these features. They are a simple yet effective way to maintain personal hygiene and contribute to a cleaner, more sanitary urban environment for everyone. Their growing prevalence shows a positive trend towards designing public infrastructure with public health in mind.