*What happens now that the world's second-biggest greenhouse gas emitter has pulled out of the most renowned climate pact?* The remaining nations must stay committed to achieving their climate goals, says Simon Stiell, Executive Secretary of the UN Climate Change (UNFCC) in a recent speech. Read this, and other top nature and climate stories from the past week: https://www.weforum.org/stories/2025/02/paris-agreement-us-exit-nature-climate-stories/?