Irish companies say anti greenwashing rules will have a significant impact on their business.
The new EU rules aim to stop companies using 'spin' to claim an environmental impact that doesn't exist.
Almost half of companies surveyed by the Compliance Institute said they were unaware they could face independent audits in the future.
46 percent were concerned about the costs or time involved in meeting the new rules, and four in ten said they would struggle to provide the data demanded.
