"raising new challenges" is correct and usable in written English.
You can use it to describe situations in which something new has presented a difficult problem or set of circumstances. For example, "The introduction of the new software package is raising new challenges for our IT department."
The acquisition of nuclear weapons by developing countries such as India (1974), Pakistan (1998), and North Korea (2006) raised new challenges.
Homecomings are likely to raise new challenges for a country divided and damaged by 14 years of conflict.
Only by balancing these interlocking components with scientific findings will we be able to promote global health while maintaining our personal dignity.Share the science, and the benefits Opportunities always raise new challenges.
As the Internet and other media raise new challenges to China's version of the truth, China is finding new ways not just to suppress bad news at the source, but also to spin whatever unflattering tidbits escape its control.
In an article in The New England Journal of Medicine, two leading researchers warn that the entry of big companies like Microsoft and Google into the field of personal health records could drastically alter the practice of clinical research and raise new challenges to the privacy of patient records.
This raised new challenges for the clustering algorithms as well as for their evaluation measures.
The evolving understanding of innovation as a process of activities raises new challenges to innovators.
The political backlash against multiculturalism raises new challenges for defenders of multiculturalism.
The development of new cementitious materials raises new challenges with regard to structural design.
Nevertheless, hybrid propulsion raises new challenges in designing the vehicle powertrain.
