James Price Point environmental approval knocked out - what does this mean for other mining development proposals?

Monday's WA Supreme Court decision overturning the environmental approvals for one of Western Australia's most controversial development proposals – the Browse LNG Precinct at James Price Point north of Broome – raises fundamental questions about Western Australia's environmental assessment process and may mean:

• proposals currently before the Environmental Protection Authority could be delayed (as the EPA assesses the implications of the decision);
• a possible re-start for some proposals currently before the EPA (if they are found to suffer the same defect as the Browse approval);
• recently approved proposals might need to be re-assessed (again, if they suffer the same defect); and