It was another year of devastating floods, fires and other extreme weather events. Meanwhile, the Trump administration levelled dramatic cuts to climate science and pledged to break up one of the world’s leading weather forecasting research centres, while in Canada, the federal government reversed a series of climate policies. We speak to climate scientist Katharine Hayhoe and Rick Smith of the Canadian Climate Institute about where they're finding optimism as 2025 comes to a close. »»»