"there are some efforts" is correct and can be used in written English.
For example, you could use it in a sentence like this: "The company is making some efforts to reduce emissions from their factories."
There are some efforts to offer consumers information beyond the familiar best deals.
There are some efforts to face reality, but they are far too minimal.
There are some efforts to measure confidence systematically, notably the Consumer Confidence Index published by the Conference Board.
Although this problem has been acknowledged, and there are some efforts to facilitate social contact, e.g., by augmented virtual reality games, that is still not enough.
"Apparently there are some efforts by individuals who do not want the increased security" in the Dominican Republic, the e-mail from Mr. Menendez's office said.
Although there are some efforts to define cost models for clouds, the need for a comprehensive cost model, which covers all cost factors and types of clouds, is undeniable.
There was some efforts in this direction in the Obama administration's first stimulus package – but not enough.
There were some efforts in the weeks immediately following Oct 16 to demonstrate that he was holding up.
"There were some efforts by the government to mediate, but finally we felt we had to take action," Mr. Qirbi said during an interview in his office.
There were some efforts at conciliation by political leaders and in the weekly Friday sermons, which American officials had viewed as a key opportunity to defuse the situation.
Although there were some efforts to reduce the number of existing beneficiaries through disability reassessments and work incentives, these were both less important and less successful.
