What to Know About the E.P.A.’s Big Attack on Climate Regulation

The Trump administration has repealed the scientific determination that underpins the government’s legal authority to combat climate change.E.P.A. administrator Lee Zeldin has claimed that previous administrations used the endangerment finding to justify “trillions of dollars” in regulations on poll

L Lisa Friedman and Maxine Joselow

Trump Administration to End Surge of Immigration Agents in Minnesota

The announcement came more than two months into an operation that has led to tense protests, thousands of arrests and three shootings in the Democratic-led state.Tom Homan, the White House border czar, in a news conference earlier this month.

E Ernesto Londoño, Mitch Smith and Pooja Salhotra

Judge Ends Deportation Case for Mexican Father of 3 U.S. Marines

The arrest of Narciso Barranco, who was detained by federal agents while landscaping outside an IHOP in Southern California last June, garnered national attention.Narciso Barranco, center, and his wife, Martha, at a church in Tustin, Calif., in August.

M Miriam Jordan

Europe Worries Trump Poses Threat to Its Financial and Tech Sovereignty

European leaders have been compelled to address the possibility of once-remote risks to the financial networks and technology that undergird their economies.The European Commission’s headquarters in Brussels. The Trump administration’s embrace of cryptocurrency has ratcheted up European concerns abo

P Patricia Cohen and Adam Satariano

Senate Questions Health Care Firm for Profiting Off Program Meant for Poor

The program was meant to help hospitals provide for poor patients by offering drug savings. But critics say a Texas company has turned it into a big business, driving up costs for patients and insurers.The offices of Apexus in Irving, Texas. The company, a subsidiary of Vizient, negotiates drug disc

E Ellen Gabler

Ukrainian Olympian Is Disqualified Over Helmet Honoring War Dead

Olympic officials ruled that Vladyslav Heraskevych’s helmet violated a prohibition on political speech, setting off outrage at the Winter Games in Italy.Ukraine’s Vladyslav Heraskevych was disqualified for wearing a helmet to commemorate athletes who were killed in the war with Russia.

H Heather Knight and Tariq Panja

Trump’s Actions Test the Fragile World of Air Travel

Last minute announcements and abrupt changes by the Trump administration have caused confusion in an already strained U.S. aviation system.A nearly deserted security checkpoint at the El Paso International Airport in Texas on Wednesday, after the Federal Aviation Administration announced a 10-day ba

N Niraj Chokshi and Christine Chung

What We Know About the El Paso Airspace Shutdown

The Trump administration blamed the disruptive halt on a cartel drone incursion, but others have disputed that explanation.The shutdown at the airport in El Paso was lifted in less than eight hours, but not before disrupting travelers and businesses.

D Daniel Victor, Karoun Demirjian, Luke Broadwater, Edgar Sandoval and Laura Chung

Crypto Super PAC Targets Al Green, a Texas Democrat Who Voiced Concerns

A crypto-backed super PAC plans to spend $1.5 million against Mr. Green, a member of the House Financial Services Committee who has expressed concerns about cryptocurrency.Representative Al Green of Texas, whose Houston-area district was upended by redistricting, is running against Representative Ch

T Theodore Schleifer and Shane Goldmacher

Maybe America Needs Some New Cities

It sounds a bit kooky to promise a whole city from scratch. But it has been done before — and might just help solve the housing crisis.

C Conor Dougherty

Mamdani Says Little About NYCHA as He Targets Bad Landlords

Mayor Zohran Mamdani has pledged to hold private landlords accountable. But he has said less about how he will fix the crumbling public housing system he now oversees.Angela Norales, who lives in a New York City Housing Authority building in the Bronx, contends with frequent leaks from her bedroom c

E Emma G. Fitzsimmons

Mamdani Reverses Campaign Promise to Expand Rental Assistance

A rental voucher program costs more than $1 billion. The mayor’s decision to curtail its expansion reflects the clash between his ideology and the realities of managing the city.Mayor Zohran Mamdani, who faces a budget deficit, said expanding a costly rental voucher program might not be feasible.

S Sally Goldenberg and Mihir Zaveri

Youngstown, Ohio, Has Been Freezing Because of a Broken Utility

An insolvent, broken utility left downtown buildings in Youngstown freezing in recent weeks. Gov. Mike DeWine has attributed the problems to an archaic system.Only one of three mobile boilers was operational on the edge of downtown Youngstown, Ohio, where dozens of buildings were without heat as tem

B Billy Witz