The phrase "a key effort to" is correct and usable in written English.
It can be used to emphasize the importance of a specific initiative or action being taken towards achieving a goal.
Example: "The organization launched a key effort to reduce carbon emissions in the community."
Alternatives: "a crucial initiative to" or "an essential endeavor to".
emphasized a comprehensive mental health reform bill that Republicans and Democrats passed into law in 2016 as a key effort by Congress to protect people from attacks such as the one in Las Vegas Sunday night.
Samsung Apps itself isn't new, but a key effort from the Korean company to attract more developers to that platform is aiming to make it more of a destination for developers and consumers.
It's a key effort on its part to differentiate its offering from the walled garden that is Facebook.
The United States Postal Service is struggling with a sharp drop in the amount of mail it handles and has made closing hundreds of urban post offices around the country a key part of an effort to close its record $7 billion deficit.
The attacks are a key element of an effort to put pressure on Al Qaeda and its leadership, but in recent weeks they appear to have been used to kill those believed responsible for the Khost attack.
Incentive sensitization in these cases can be deduced from a heightened ratio of the key press effort to the attractiveness rating.
You must craftily switch between weapons, and appropriately tap the hide key in an effort to destroy the enemies before getting blown to bits yourself.
NEW DELHI India intends to host a key facility in an international effort to detect gravitational waves, Prime Minister Manmohan Singh announced on Monday at the Indian Science Congress in Jammu.
A key to that effort involves restoring the degree to which we value food.
But astronomers knew ROSAT's days were numbered in September, when the sun burned out a key detector during a failed effort to keep the craft alive for another year.
