Jay Lehr, Ph.D. Past Science Director at The Heartland Institute, Member of the Professional Speakers Network, speaking on agriculture, environmental policy, aging, health & nutrition, retirement/aging and green/environment. It is time that we all stop fighting alarmist numbers with our small numbers. The only number that matters is ZERO. That is, in fact, the real impact of carbon dioxide on the Earth’s thermostat and sea level rise. We are not in a battle over numbers. We are in a battle to protect our way of life.