World population will continue to rise until at least 2050. Environmental impact is the product of the number of people and how much of their income and technology is devoted to either consumption or conservation. So far, the balance is far at the consumption end and, globally, environmental...

The idea that "life begins at conception" is not a scientific one. Since the disproof of 'spontaneous generation' (1668-1859), we have known that life only derives from life. Life arose billions of years ago and has continued since as a cycle. Assigning a beginning to a cycle (like the year) is...

Guest lecturer William Ryerson is President of the Population Media Center which produces radio and TV serial dramas in developing countries that aim to effect behavior change on women's status, family planning and AIDS. Working with governments and in-country media professionals, these...