The phrase "efforts in ensuring" is correct and usable in written English.
It typically refers to the efforts made towards a certain goal. For example: "Our organization has made tremendous efforts in ensuring that all of our employees have access to affordable health insurance."
Thank you so much to the British embassy and the FCO for their efforts in ensuring I arrived safely back home.
"The establishment of the tax avoidance taskforce in this year's budget has bolstered our efforts in ensuring multinational, and large public and private groups operating in Australia pay the right amount of tax".
Clearly the rulers of Bahrain were recognising this when they showed their gratitude for Ecclestone's efforts in ensuring that, next April, they will become the first Middle East nation to host a world championship grand prix.
"The coroner should be commended for her efforts in ensuring that these proceedings have been conducted at all times in a dignified, timely and sensitive manner to those who lost their lives," they said in a statement.
Carol Pellowe, senior lecturer at Guy's & St Thomas' NHS Foundation Trust and member of the committee that developed the standards, added: "This quality standard will promote best practice in infection prevention and control and by providing key areas for action, encourage organisations to sustain their efforts in ensuring patient safety".
"Most importantly, we've invested significant efforts in ensuring our Visual Engine is scalable.
It defied a direct appeal from the ICC prosecutor, who asked Pretoria "to spare no effort in ensuring the execution of the arrest warrants".
In a statement issued at the weekend, the ICC called on South Africa, which has signed up to the court, to detain Bashir and "spare no effort in ensuring the execution of the [two] arrest warrants".
Taking Shaanxi province as example, Jia and Liu (2011) analyzed local government's effort in ensuring regional balance of financial investment in preschool education.
"Facebook puts a lot of effort in ensuring the best possible experience for its users, but it's clear that changes to its newsfeed can be disruptive for media companies," he says.
North Korea has invested a great deal of effort in ensuring its missiles can be fired from austere locations and doesn't require a site like Sohae, he said.
