The phrase "increasing challenges in" is grammatically correct and can be used in written English.
It refers to the growing difficulties or obstacles present in a particular situation or area. Example: "There are increasing challenges in the field of healthcare, such as rising costs and staffing shortages."
"Aspiring lawyers face increasing challenges in accessing the profession.
"MSF faces increasing challenges in offering full immunisation to children in our projects.
The trend towards new, and ever increasing challenges in endurance races over the last few decades has remained steadfast.
The single family home market is facing increasing challenges in managing environmental issues.
Schools in the West Bank have been "facing increasing challenges in a context marked by military occupation, settler violence, delays at checkpoints and school closures", says UNRWA.
The OECD said young people who leave school at 16 with low skills are facing increasing challenges in finding a job.
Workload pressures and culture already drive long hours in many workplaces and is an increasing challenge in an ever-demanding world.
With continuous scaling down of the semiconductor technology, the soft errors induced by energetic particles have become an increasing challenge in designing current and next-generation reliable microprocessors.
An increasing challenge in delay testing is to achieve high coverage of small delay defects and good correlation to functional test results.
Enterprises are facing an increasing challenge in designing and manufacturing products that respond to the continuous changes of the customer's needs, follow the development of innovative technology and business paradigms.
Protecting IT infrastructures against the attack of crackers is an increasing challenge in the present time, and promises to continue so in, at least, the near future.
