The phrase "join efforts with" is correct and usable in written English.
You can use it when you want to express the idea of collaborating or joining forces with someone to achieve a shared goal. For example: We must join efforts with other countries to address the global climate crisis.
Theirs has also been a largely grass-roots effort where tradespeople and farmers join efforts with chief executives and actors in a common cause.
Last month, Mrs. Wood, with Laura Giobbi, another resident whose home was damaged, decided to join efforts with a nonprofit group, Save Darien's Wetlands.
China is willing to join efforts with India "so as to reach as soon as possible a fair and reasonable border issue solution that both sides could accept," she said.
The only way to win the war, he says, is to "join efforts with our honest partners and neighbours in the East and West".
"We're excited to work across our boundary to join efforts with other researchers that will ultimately give these foxes the best chances for recovery".
You can also join efforts with one of the many excellent international organizations devoted to combatting honor violence, including the AHA Foundation, UN Women, The Global Fund for Women, Futures Without Violence or your local women's shelter.
Training activities have also been undertaken in South Africa and Central America, as a join effort with the University of Pretoria in South Africa and the World Food Programme respectively.
Because of the limitations on his time, Mr. Travers, 44, often joined efforts with a neighbor, Maurice Curran, and between them they coached soccer, T-ball, even lacrosse.
In December 2015 it joined efforts with IBM, the London Stock Exchange Group, Wells Fargo and many other corporations to push for an industry-wide blockchain standard.
It was her father, according to Mashable, who joined efforts with a Grammy Award-winning producer to produce a YouTube video with three young, undiscovered artists and more than 30 choir singers from around the world, to help promote a foundation to promote education for girls that was formally launched on Friday.
Science/AAAS and Science Translational Medicine have joined efforts with Boyalife to present the Award in Stem Cell and Regenerative Medicine.
