A Q&A with Sir David King A 30-year absence of strong U.S. leadership on climate action has now delivered a massive attack in the form of fire and heatwave tragedies, and it must now seize the moment, together with the EU and China, to put humanity on a path to a safe future, says Sir David King. Sir David steered Britain’s climate negotiations for the Paris Agreement and played a critical role in securing, in that accord, the most ambitious target of holding warming near to a 1.5 C rise.…