Dr Philip Webber, SGR, examines the how military strategy and modern weapon technologies are combining to cause a huge human tragedy in Ukraine - and how nuclear threats could make the situation even worse.
In light of the agreements at COP26, Dr Stuart Parkinson, SGR, looks at the controversial role of the military in climate issues, including the latest data on military carbon emissions, and how demilitarisation programmes offer more potential for reductions than low carbon weapons systems.
How should climate scientists get involved in campaigning activities? Dr Liz Kalaugher, SGR, Dr Alison Green, Scientists Warning, and Dr Aaron Thierry, Scientists for Extinction Rebellion, discuss the issues and options.
Dr Stuart Parkinson, SGR, examines the carbon footprint of spaceflight - especially space tourism, military missions, and the planned return of humans to the Moon. He argues that the damage is large enough to justify a moratorium on all non-essential spaceflight.