WATCH: Rapidly accelerating climate change poses growing security risks, ranging from humanitarian disasters to military conflict. Security institutions, the armed forces and defence industry need to play their part in addressing these risks. At the same time, they also need to contribute to mitigating climate change. How can NATO and other major security actors respond to the consequences of climate change while minimising their own greenhouse gas emissions? In this panel discussion, leading experts explored the relationship between climate change and security organisations. The panellists discussed the need for institutional cooperation, as well as the challenge of "greening" the armed forced without compromising their operational effectiveness.