The Judgement- or J-value is a validated method that allows you to decide objectively how much should be spent on human safety and environmental protection. Applying the J-value to England's covid epidemic, it is clear that a lockdown that lasts more than 2 or 3 months will lose more life than it will save. The talk will explain the J-value method and show how the economic disruption from lockdown leads inevitably to life being lost. Greater economic awareness is necessary for future emergency planning.