Hello. The US-Iran ceasefire is under strain ahead of talks, and shippers weigh unusual routes as high air cargo rates and ocean gridlock persist.

Elsewhere, Putin announces an Orthodox Easter ceasefire, and this is how the AI boom derailed clean‑air efforts in one of America's most polluted cities.

Plus, a runaway wolf in South Korea

Barbara Johnson has been fighting coal pollution for decades in her mostly Black neighborhood of North St. Louis as an organizer with Metropolitan Congregations United.

Until recently, she had reason to believe things would improve: tougher federal soot standards adopted in 2024 under the Biden administration were scheduled to go into effect in 2027, requiring plants to slash emissions or shut down. That would have forced one of the area’s biggest polluters - Ameren’s Labadie Energy Center power plant - to cut its soot emissions in half to stay in business.

Johnson’s hopes vanished in February, however, when the Trump administration scrapped the standards before they took effect.

A wolf that escaped from its enclosure in a South Korean zoo has spent three days on the loose, captivating the public, spawning a cryptocurrency meme coin and even prompting ‌a message of concern from the country's president.