The Supreme Court has agreed to hear from oil and gas companies trying to block lawsuits seeking to hold the industry liable for billions of dollars in damage linked to climate change.

The conservative-majority court took up the case Monday. The companies went to the Supreme Court after Colorado’s highest court allowed a lawsuit from Boulder to proceed.

Panama orders occupation of key ports

Panama has ordered the occupation of two key ports at the ends of the Panama Canal. It comes after its top court ruled that the operator’s contract is unconstitutional.

The government on Monday ordered the Panama Maritime Authority to occupy the Balboa and Cristobal terminals. The decree cites urgent social interest.

EU hits pause on US trade deal

Europe’s asking for answers about US President Donald Trump’s announcement of a 15% global tax, or tariff, on imports.

That’s because the EU already had a trade deal with the US, reached over the summer. The Supreme Court struck down Trump’s use of an emergency law to impose tariffs on Friday, but Trump quickly cited a different law to justify a 15% rate for goods coming into the U.S. that goes into effect Tuesday.

US stocks drop after Trump ramps up tariffs

U.S. stocks slumped after President Donald Trump ramped up his newest tariffs, while investors continued to punish companies that could be losers in the artificial-intelligence revolution.

The S&P 500 sank 1% Monday. The Dow Jones Industrial Average dropped 1.7%, and the Nasdaq composite fell 1.1%. Cybersecurity and software stocks fell to some of the market’s sharpest losses on worries AI-powered rivals could undercut their profits.

OpenAI safety officials summoned after shooting

The Canadian government has called representatives of ChatGPT-maker OpenAI to Ottawa.

The company says it considered but did not alert Canadian police about the activities of a person who months later committed one of the worst school shootings in the country’s history. Artificial Intelligence Minister Evan Solomon said Monday that he expects the company’s top safety representatives to explain its protocols and how it decides to forward cases to law enforcement when he meets with them on Tuesday.

More than 30,000 health care workers end strike

An estimated 31,000 registered nurses and other front-line Kaiser Permanente health care workers will return to work on Tuesday after a four-week strike in California and Hawaii to demand better wages and staffing.

The union said in a statement Monday that “significant movement at the bargaining table” prompted an end to the walkout. There are no details about what progress was made during negotiations or what a potential deal might look like.

EU fails to pass new sanctions on Russia

Hungary has blocked the European Union’s latest sanctions plan against Russia, and said it will hold up a big new loan for Ukraine.

EU foreign policy chief Kaja Kallas said ministers did not agree on a 20th sanctions package Monday. The EU needs unanimous approval for sanctions, so one member can stop the deal. Diplomats had scrambled to finalize the sanctions along with a massive new loan for Kyiv ahead of Tuesday’s fourth anniversary of Russia’s full-scale invasion. Hungary said it would stand firm until Russian oil deliveries to Hungary resume. It had previously agreed to the loan to Ukraine.