challenge

A major challenge, however, is proving that any proposed technology actually removes methane.

From Science Daily ● Sep. 15, 2026

Hitting this target may be a challenge in some markets.

From MarketWatch ● Sep. 15, 2026

While the Old Trafford job appeared to be too much for Moyes to handle, lasting only 10 months before being sacked, Maresca seems to be embracing the "challenge" and "privilege" of succeeding Guardiola.

From BBC ● Sep. 15, 2026

Staging da capo arias is always a challenge, and Ms. Griffin often fell into the trap of extremes—Mr. Brownlee and Mr. Costanzo tossed chairs around, leaped acrobatically onto furniture and ripped things up—or stasis.

From The Wall Street Journal ● Sep. 14, 2026

He might have been a bit dumbfounded but Bass never hesitated in accepting the challenge.

From "Shipwrecked!" by Martin W. Sandler

Subsequent testing and a major European safety assessment have added important context, including challenges to the idea that the chemical necessarily forms during digestion.

From Science Daily ● Sep. 14, 2026

But you don’t have to believe that AI is going to destroy the planet to recognize that it poses challenges to our way of life that no technology has represented before.

From The Wall Street Journal ● Sep. 14, 2026

One of the environmental groups which brought the legal challenges, Uplift, has described OEUK's calls for support as a "fantasy" and says the North Sea is an "ultra-mature" basin with very little reserves left.

From BBC ● Sep. 14, 2026

The rollback is likely to face immediate legal challenges.

From Los Angeles Times ● Sep. 14, 2026

Filipino journalists faced numerous challenges to publish their newspapers.

From "At Last She Stood" by Erin Entrada Kelly

A supervisor for the ministry admitted that had they read the statement they "would have challenged Tom", and that it "read terribly", the report found.

From Barron's ● Sep. 15, 2026

This was challenged by several states and local governments.

From BBC ● Sep. 14, 2026

Instead, it grew out of a class assignment in which Wu challenged students to demonstrate how information theory could be used to solve a real problem.

From Science Daily ● Sep. 12, 2026

An ongoing lawsuit brought by AAP and other medical groups challenged the changes, which did not go into effect.

From Salon ● Sep. 12, 2026

Fabyan hated to be challenged, and he had a terrible temper.

From "The Woman All Spies Fear" by Amy Butler Greenfield

The company said the plan also focuses on broadening the customer base and deepening relationships with existing customers, while also reinforcing the insurer’s competitiveness despite what it called a more challenging environment.

From The Wall Street Journal ● Sep. 15, 2026

To them, Hargitay was, prima facie, the least challenging choice amid polarizing comedians and a shrinking roster of late-night hosts.

From Salon ● Sep. 15, 2026

They will be replaced on Bellamy's coaching staff by former captain Ashley Williams and ex-Swansea City boss Alan Sheehan in what is expected to be a challenging period for Wales.

From BBC ● Sep. 15, 2026

“Thinking too much out there, not competing the way I know how to compete. Just thinking too much about pitch selection at times and trying to be too fine and not challenging guys.”

From Los Angeles Times ● Sep. 15, 2026

Maybe if I’d trained more, spent longer hours practicing in the gym, mastered more challenging skills—like the Amanar—I might be feeling less scared.

From "Courage to Soar" by Simone Biles