Yes , ordering that toothpaste alone is more energy wasteful , but: 1.amazon has a really strong incentive to prevent too many "single toothpaste" scenarios.

Yes , ordering that toothpaste alone is more energy wasteful , but: 1.amazon has a really strong incentive to prevent too many "single toothpaste" scenarios. 2.e-commerce delivery (from warehouse to home) takes 1/3 of the gas of driving to the store , and it's much more practical and realistic to convert a fleet of UPS trucks into clean energy , than household cars. If this grows big, this looks like a thing that can be part of the lives of the whole population(not only environmentalists like us) and be a serious part in the fight for global warming.