There are now seven billion people in the world today, according to The New York Times. I was number 3,940,422,252. Want to know your place among the many? Check out the population counter at BBC News.
The Center for Biological Diversity, according to the Times, is the only group that is linking the population explosion to environmental issues. The paper reports, "A study published last year in the Proceedings of the National Academy of Sciences showed how slowing the country’s population growth rate to 1.5 births per woman from 2.0 could result in a 10 percent drop in greenhouse gas emissions by midcentury and a 33 percent drop by the end of the century."