Many are not, despite what the box says. “Biodegradable” is one of the most overused words in pet products. Here is how to tell an honest claim from greenwashing. Five red flags on the box 1. No standard named. “Biodegradable” with no certification behind it. 2. No certification body. A logo with no organisation you can look up. 3. “Degradable” or “oxo” wording. These bags fragment into microplastics. 4. Vague green words. “Eco”, “earth-friendly” o

Standard dog poop bags are not. They are made of conventional plastic, which does not biodegrade in any useful time frame. Even bags labelled “biodegradable” often fail to break down where most of them end up: the landfill. The landfill problem Biodegradation needs microorganisms, oxygen and moisture. A modern landfill is packed tight and sealed, so very little oxygen reaches the waste. Under those conditions, even materials that should break down can stay intact for a very l

Some are, but most are not. Only dog bags certified to a compostability standard will break down into compost. And even then, where you put the full bag matters. Where can a full compostable dog bag go? Option Good to know Home compost Use a separate pet-waste compost. Do not use the finished compost on vegetables or herbs. Municipal green bin Rules vary by city. Some accept pet waste and compostable bags, others do not. Check your municipality’s website. Garbage A certified

They are if they are certified, and you can check it yourself. A legitimate compostable bag has been tested by an independent lab against a published standard, and the brand can show you the paperwork. Why scepticism is healthy The word “compostable” is easy to print on a box. Some products are labelled compostable with no testing behind them. Others only break down in industrial facilities, which many towns do not have. That is why the details of the certification matter. Ho