4.5K views · 63 reactions | The director general of the Royal United Services Institute has speculated that most previous British prime ministers would not have authorised the use of nuclear weapons should the UK have been attacked. Professor Michael Clarke was speaking to Andrew Neil on the Daily Politics about Jeremy Corbyn's stance on Trident. | BBC Politics | Facebook

The damaging effects of the light, heat, blast, and radiation caused by a nuclear explosion have been known to scientists since the end of the Second World War. But a nuclear conflict today would create more serious consequences for our planet. #EarthDay | Nuclear Threat Initiative | Facebook