Operations at the mine, which produces coking coal used in steelmaking, were suspended in February after a coal heating issue that led to elevated gas readings underground.
Port of Newcastle will pay less if certain targets are met, including reducing its direct and indirect greenhouse gas emissions and screening all customers for modern slavery risks.
An expert from the University of Chicago says the US needs to leverage the social cost of carbon while remaining mindful of environmental justice and coal communities.
US insurer will not be filing an environmental impact assessment for the Baralaba South project, missing a deadline as it weighs alternatives for the proposed mine.