NH3 Clean Energy (ASX:NH3) completed environmental surveys required to support the state and Commonwealth environmental approval referral submissions for its planned WAH2 clean ammonia project in Western Australia, according to a Wednesday Australian bourse filing.

No threatened flora or threatened ecological communities were identified within any of the project survey areas, the company said. Results indicated that the potential environmental impact of the project could be managed through avoidance, mitigation, and environmental management measures, it added.

NH3 Clean Energy's shares climbed past 4% in recent trading on Wednesday.