Climate change and ecological degradation pose unprecedented threats to the planet on which we depend. The consequences for the health and mental health of humans everywhere are increasingly clear. Unicef (2021) estimates that 1 billion children will be affected by climate change. In the UK flooding and air pollution impact on the long-term mental health of infants, children and young people, who are also impacted by deterioration in the mental health of their parents and carers. Young people also suffer from profound and overlooked anxiety and depression about their futures and the failure of the adult world to take appropriate action. Current and future generations of children will bear the burden unless action is taken immediately. The Association of Child Psychotherapists is calling for international cooperation and urgent action by declaring a climate and ecological emergency…..