World leaders gather for the UN climate summit (Cop30) in Belém, Brazil, amid concerns about the slow progress in cutting global carbon emissions. Ten years into the historic Paris climate agreement, we are off track to meet its core objective, to keep global warming well below 2°C, relative to pre-industrial levels.
Yet there are glimmers of hope, and none more important than the astounding progress on renewable energy. Renewables are now so cheap that the clean energy transition is no longer an economic burden, it is a momentous opportunity.
