The Supreme Court opened its new term this week with a case that could determine whether local governments have any real power to hold major energy companies accountable for the climate harms unfolding in their own backyards. At issue is a fundamental question of local control: can cities and counties, already absorbing the costs of extreme weather, flooding, and other climate-driven damage, pursue legal action against the corporations whose decisions helped fuel it? The case lands before the justices as communities nationwide continue grappling with the on-the-ground consequences of a warming planet, from strained infrastructure to mounting recovery costs. Supporters of local governments' right to sue argue that accountability shouldn't stop at the courthouse door simply because the defendants are powerful, well-resourced energy companies. How the Court rules could shape not just this case, but the broader legal landscape for climate accountability going forward, determining whether local communities have any meaningful avenue to seek redress for harms they say originated far beyond their borders, in corporate boardrooms and executive decisions made decades ago.