The phrase "mounting challenge" is correct and usable in written English.
You can use it when referring to a problem that is becoming increasingly more difficult to solve. Example: As tensions between the two governments continue to rise, the diplomatic team faces a mounting challenge in finding a peaceful resolution.
But it does suggest a mounting challenge to philanthropy's moral hegemony by a powerful, alternative ethic.
They represented a veritable United Nations of European and African countries facing a mounting challenge with extremism.
Pakistan's military ruler, Gen. Pervez Musharraf, who has promised "full support" to an American military operation, faced a mounting challenge on two fronts.
From more efficient water harvesting to scaled wastewater recycling, more projects like that of InBev's or SAB's must ramp up to help beer companies meet a mounting challenge: to meet the increasing global demand of beer by using less water.
Her objective was to rally allies against what is seen as the mounting challenge of the "resistance" block made up of Iran and Syria, together with their sub-state clients, Hizbullah and Hamas, and, to some extent, the recalcitrant government of Sudan.In this section Making uranium while the sun shines Friends see things differently King Mahmoud Your man or his?
"Tiberi's decision underscores the mounting challenge facing House Speaker Paul D. Ryan (R-Wis). in retaining veteran Republican lawmakers, many of whom have grown weary of the tumult and stumbles that have come to define the Trump era on Capitol Hill..
New Jersey Transit has lacked steady leadership amid its mounting challenges.
A look at mounting challenges in the push for sustainable seafood.
Unabated scientific progress and breakthroughs highlight mounting challenges with some vital paradigm shifts.
Mr. Guaidó's challenge to Mr. Maduro comes at a time when his presidency faces mounting challenges of legitimacy.
Recruiting part-time Army National Guard and Army Reserve troops, who are typically older and have civilian jobs, presents mounting challenges.
