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The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts
If consumer capitalism continues at its current rate, will we reach a point at which there is literally no space left on Earth for all the stuff that has been created? Alex Robinson, Alnwick, Northumberland
Post your answers (and new questions) below or send them to nq@theguardian.com. A selection will be published next Sunday.