The phrase 'controversy whether' is correct and usable in written English.
It is used to introduce an open question, or to indicate that something is a matter of debate. For example, "There is controversy whether we should prioritize the environment or the economy when making decisions."
But within the Bush administration, it has been a matter of some controversy whether to abandon the Clinton-era accord.
WASHINGTON — The House is preparing to vote again on an unresolved legal controversy: whether the military may imprison terrorism suspects captured on United States soil without trial.
The sexuality angle is a godsend for an aging show that is in desperate need of controversy (whether or not manufactured) as well as flash.
Thiel certainly enjoys courting controversy, whether it involves funding a lawsuit to destroy Gawker or funding a fellowship to induce kids to drop out of college.
Prime Mover Von Trier, who in both public comment and film content often appears to be courting controversy, whether that's jokingly sympathising with the Nazis at a Cannes press conference or including wince-inducing scenes of genital mutilation in Antichrist.
Nevertheless, the institutional difference and competition between representative and direct-democratic processes lie at the core of the controversy whether direct democracy contributes to undermining representative democracy or can offer enrichments of democracy.
But while the Guantanamo detainees will be tried for their part in mass terrorism, Siddiqui's case focuses on a minor controversy – whether she fired a gun at a soldier in an Afghan police station.
There is some controversy whether the imaging protocol should include contrast enhanced images [13, 14].
There is controversy whether hemodialysis or renal transplanted subjects have less severe anxiety or depression symptoms.
However, it is again a matter of controversy whether demonstrative concepts are limited in this way.
Nevertheless, there is a long-standing controversy whether solar variability and tides can significantly generate climate change, and how this may occur.
