The phrase "a collective challenge" is correct and usable in written English.
It can be used to describe a problem or difficulty that requires the cooperation and effort of a group to address or overcome.
Example: "Climate change is a collective challenge that demands action from individuals, communities, and governments alike."
Alternatives: "a shared challenge" or "a joint challenge".
Climate change is a collective challenge.
"It was a collective challenge with a simple objective that was easy for people to understand," said Viñuales.
Do we face a collective challenge as important as maintaining the camp's water supply was for the Eagles and Scouts?
Leveraging these four activities, while framing the transformation effort as a collective challenge to be embraced together, fuels positive change over the long haul which is important since the transformation journey is a never-ending one for most companies today.
"Last season we did not have the greatest side in OM's history but they were driven by a real team spirit and we want to see that again with players who are all pulling in the same direction, pursuing both a collective challenge and a personal one, in view of the World Cup at the end of the season.
It's almost like someone posed a collective challenge to the press: Try to turn landmark charitable giving into a bad-news story for the Clintons.
Hope is a public health resource: the collective challenge of "3 by 5".
A fresh take on the collective challenge of billions of us living sustainably together on our one and only, lonely planet.
Collaboration between the U.S. and China will be crucial both to achieving significant greenhouse gas reductions in both countries, and to creating the joint momentum that will be required for a larger multilateral solution to this collective challenge.
In the face of what the UN secretary general Ban Ki Moon calls "the greatest collective challenge we face as a human family", we decided that nonviolent direct action was the best way for us to make our voices heard.
Through such an empirical focus on rules, it becomes possible to analyse the planning and implementation process of local smart grids (as a collective action challenge).
