In an era when climate pledges once echoed across the world's great capitals, a new silence has settled — deliberate, telling, and consequential. President Trump has moved to expand fossil fuel extraction across federal lands while rolling back emissions standards, and the nations that once jostled for climate leadership have offered no visible resistance. This week's Climate Forward event convenes to examine what that silence costs, and whether the architecture of global climate cooperation can endure when its largest economy has turned away and others have chosen not to step forward.