"growing ability" is correct and usable in written English.
You can use it to emphasize that someone's ability is increasing or improving over time. For example: "The 12-year-old tennis player has been showing a growing ability in the court."
Scientists say a win for the firm would set back a growing ability to detect diseases.
His success is helped by Krstic's growing ability to step out and hit 15-footers.
Kidd said the play illustrated Anthony's growing ability to recognize defenses.
Such sponsored stories are becoming increasingly popular as marketers wrestle with the growing ability of consumers to avoid ads.
I suspect the main reason is that the growing ability of fans to download music free from the Web -- legally or illegally -- has cut into artists' revenues.
Mr. Putin said the United States should bear in mind China's strong economic potential and its growing ability to respond to national security threats.
When it was published seven years ago, the book told an interesting and thought-provoking story about the growing ability of mere brands to hold captive entire economies.
It is a response to the growing ability of consumers to ignore or avoid traditional advertising, thanks to technology like digital video recorders.
Two trends have spearheaded this revolution in marriage and family life: societies' decreasing ability to dictate personal choices and women's growing ability to support themselves.
With humans' clear and growing ability to alter the climate, Dr. Overpeck said, "we could easily skip the next opportunity altogether".
But what should be a wake-up call is science's growing ability to highlight the blame for particular extreme events, and not just in the Sahel.
