"contributing further to" is a correct and usable phrase in written English.
It can be used in the context of adding to or increasing the impact of something. For example, "The generous donations from citizens have helped to build new housing developments in the area, contributing further to the local economy."
(And yes, we are aware of the irony that by reporting these reports, were are contributing further to this imbalance).
Contributing further to the music potpourri was a layer of sound effects – police sirens and so on – that underpinned proceedings.
"The proposed settlement represents significant progress toward resolving issues from the Deepwater Horizon accident and contributing further to economic and environmental restoration efforts along the Gulf Coast".
In addition, Afghanistan's disputed election, and the attendant fraud charges that have been lodged against President Hamid Karzai, are contributing further to the erosion of public support.
Even without such emergencies, patients with multiple conditions are often subjected to the same tests by different doctors, contributing further to needless medical expense.
The last intact section of one of Antarctica's mammoth ice shelves is weakening fast and will likely disintegrate completely in the next few years, contributing further to rising sea levels, according to a Nasa study released on Thursday.
Landfills contribute to greenhouse gas emissions – and transporting waste to these landfills contributes further to pollution.
Any winning solution will also need to prove that it will not contribute further to these.
A tropical climate contributes further to a slower pace of life.
The Kantian critique of the proofs of God contributed further to a devaluation of Trinitarian doctrine.
"We are willing to work in partnership to drive forward an investment strategy which allows the UK operations to contribute further to the profitability of Tata.
