"exacerbated this challenge" is correct and commonly used in written English.
It means to make a problem or difficulty worse. Example: The lack of resources and support from the government has exacerbated this challenge of providing affordable housing for low-income families.
As with most semi-arid areas of the world, Ethiopia has always been faced with water scarcity, and the efforts in meeting this domestic water needs in the face of ongoing El Niño exacerbates this challenge (British Broadcasting Corporation 2015a, 2015b, 2015c; UNICEF 2015).
The short time-to-market constraint of embedded systems exacerbates this design challenge and necessitates the architectural modeling of embedded systems to reduce the time-to-market by expediting target applications to device/architecture mapping.
Potentially exacerbating this challenge for future studies, it remains possible that measures for DT should occur a week or more after the intervention to capture its impact.
Finally, the occupation has exacerbated the challenge that ultraorthodox (haredi) Jews pose to Israel's prosperity.
There are way more startups today than ever before, which has exacerbated the challenge of doing pretty much anything.
The hailstorm of headlines has exacerbated those challenges.
Germany wants to divert 10% of the EU budget towards dealing with the refugee crisis, after a lack of joined-up thinking exacerbated the challenges posed by irregular migration to Europe.
Limitations and ambiguities in imaging techniques have exacerbated the challenges of acquiring accurate information about spines and spine features.
This exacerbates the challenges facing health workers in trying to assist them, further increases the risk to maternal health, and is a source of demoralisation and burnout for obstetric staff.
Schleiermacher's most original doctrine in the philosophy of language, (8) (semantic holism), is also highly relevant in this connection, for, as Schleiermacher perceives, semantic holism greatly exacerbates the challenge to interpretation and translation posed by (7).
Exacerbating the challenge is the perception that it's somehow not a good idea to use the benefits that do exist; that the Protestant work ethic demands that we all struggle on and work when we're sick, for instance.
