Earlier this year, I wrote about the top 10 environmental problems facing America and the world. Last week the data came in showing that one of them, overpopulation, is a growing concern: The U.S.

I always enjoy Thomas Friedman’s columns, however, the ecotourism solution offered in the July 31 column, which was about Madagascar, missed the whole point. The root of the problems of environmental ...

I was stunned that Scott Beaulier, with an economic background, had such a view. He seems to ignore the fact that children are an economic expense that many countries struggle to deal with. He also ...