Karlijn van Houwelingen received a prestigious journalism award in 2022 for her investigative reporting on climate change. The award recognized her dedication to uncovering the complexities of environmental policies and her ability to communicate these issues effectively to a broad audience.

In 2021, Karlijn van Houwelingen published an investigative series on climate change for De Telegraaf. The series explored the impact of climate policies in the Netherlands and abroad, combining data-driven journalism with compelling narratives. It was praised for raising awareness and prompting discussions on environmental issues.

After several years abroad, Karlijn van Houwelingen returned to the Netherlands, continuing her work with De Telegraaf. Her international experience enriched her reporting, allowing her to bring a global perspective to domestic issues, and she became a key figure in the newsroom's international coverage.

In 2018, Karlijn van Houwelingen provided comprehensive coverage of the U.S. midterm elections, offering insights into the political shifts and the implications for both domestic and international policies. Her analysis was widely regarded for its depth and clarity, enhancing her reputation as a knowledgeable foreign correspondent.

Karlijn van Houwelingen reported extensively on the Women's March in Washington D.C. in 2017, capturing the voices and stories of participants. Her coverage highlighted the global impact of the movement and its significance in the context of the new U.S. administration, resonating with audiences back in the Netherlands.

In 2015, Karlijn van Houwelingen was appointed as a foreign correspondent for De Telegraaf in New York, USA. During her tenure, she covered significant events such as the 2016 U.S. presidential election, providing Dutch audiences with in-depth analysis and on-the-ground reporting from a pivotal moment in American politics.

Karlijn van Houwelingen began her career at De Telegraaf, one of the Netherlands' largest newspapers. Her early work focused on domestic news, where she quickly established herself as a diligent and insightful reporter, contributing to the paper's robust coverage of national events.