"an ever increasing need" is correct and can be used in written English.
It is typically used to describe a need or demand that is continuously growing or becoming greater over time. Example: There is an ever increasing need for renewable energy sources in today's society.
Thus there is an increasing demand on tightening the emission standards of motor vehicles, as well as an ever increasing need for developing means of reducing emissions from in service motor vehicles.
These requirements have, the report says, "arguably contributed to a relative 'arms race' as, faced with increasing competition and an ever increasing need to stand out, aspirant bankers engage in increasingly focused efforts to build their CV".
With these advancements, there exists an ever increasing need for ultrasound education in undergraduate medical training [3 6].
The SFS project was a concrete answer to an ever increasing need to ensure the sustainable management of marine ecosystem services whilst taking into consideration society's need for a progressive and thriving economic development.
Modern users demand technologies that fit their personal workstyle and allow them to stay productive anywhere anytime, while businesses have an ever increasing need to protect data and ensure security, compliance and manageability.
These programs are extremely valuable but often require more time away from medical education than most medical students will accept, and raise the concern for drawing down the number of clinicians who participate in clinical care in an environment with an ever increasing need for more healthcare providers [8].
The research of advanced electrodes for energy storage and energy conversion has been an important strategy to satisfy the ever increasing need for future electrochemical power sources.
The ever increasing need for speed creates other secondary effects.
Ever increasing need of electricity has paved the need for Smart Grids.
Quite simply, responding to people's ever increasing need to travel.
With the ever increasing need for shorter drug development periods, more efficient tools and methods of working are requried.
