Intelligence and conscientiousness are > 50% heritable. Political attitudes, including environmentalism, are also highly heritable. Adult intelligence is betw

Intelligence and conscientiousness are > 50% heritable. Political attitudes, including environmentalism, are also highly heritable. Adult intelligence is between 70-80% based on genetic factors. Articles like this are encouraging the most intelligent and highly conscientious of us not to have children and, in the long run, will destroy the planet rather than save it. The right attitude is one of stewardship: we have a sacred duty to preserve the planet and a sacred duty to produce intelligent, thoughtful children to enjoy that planet and to carry on our work.