Low water levels have led to a traffic jam at one of the world’s busiest maritime passages. The bottleneck demonstrates how accelerating climate change is threatening global supply chains.

President-Elect Lula will soon take office in Brazil, more than a decade after his second term ended. What’s in store for this third Lula administration?

The federal agency tasked with weather forecasting and research has played a growing role in climate policy, but also faced controversy during the Trump administration. What does NOAA do?