"work towards improving" is correct and usable in written English.
You can use it when you want to express the idea of aiming to make something better. For example, "I'm working towards improving my grades in school this year."
Previously, Martin lead commercial teams in financial services and left Santander as commercial director to work towards improving female talent in business.
But progress in the negotiations gives Turkey a credible reform agenda to work towards, improving life and governance in the country.
Tomorrow, National Numeracy is encouraging people to take its Numeracy Challenge (nnchallenge.org.uk) to check up on numeracy levels and work towards improving them.
Overall, I feel a great sense of responsibility to work towards improving the lives of others because I have been given so many opportunities.
WfD was introduced in Australia in 1997 by John Howard's government, the idea being that those supported by the state would give something back to taxpayers and work towards improving their employability.
He is a recognized expert in cancer screening and prevention for gastrointestinal cancers and is a leader within a National Cancer Institute consortium of reseachers that work towards improving cancer management.
This review aims to serve as a guide for wastewater bioenergy engineers to address challenges in IPB systems, and identifies a need for more collaboration between algal biologists and engineers to optimize algal-microbial community collaboration and work towards improved sustainability of wastewater treatment.
Output 1 and 2 work towards improved governance by using a human rights based approach.
The Cuban government is working towards improving the situation, with 53 investment projects in tourism under way, though some won't be completed until 2018.
A March 2013 report describes New Zealand working towards improving its cyber capabilities to improve detection, discovery of new tools and disruption of the source of intrusions.
Mr Modi has also worked towards improving the efficiency of the country's civil servants, including ensuring that they turn up to work each day.
