The editorial "Baby bust has a cost, too" [Sept. 4] suggests that people have more children. It states that the "population has been growing at a historically low rate." While this may be true, it is also true that by the year 2050, the U.S. population is expected to increase from 300 million to 400 million.

Already there is concern that there may not be enough water, energy or food to support our population. There is urban sprawl and other overcrowding problems. How much worse will it be when there are 100 million more people?

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At some point we have to admit that there has to be a limit to the number of people that the Earth can support.

Robert F. LaPorta, Dix Hills