Only certain takeout containers are recyclable in most places. Putting errant boxes in the blue bin only clogs up the system.

The CEO of Denmark's largest retailer said that his company will start marking its goods to indicate which ones are made by European companies, in what he described as a response to customer demand.

Parents can stick labels (with either words or symbols) around their homes to remind kids where their toys belong or where to find snacks. Hobbyists and crafters with bins of supplies can also ...