- Tyne Tees
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A landmark decision is still pending during National Parks week on whether a potash mine can be built on the North Yorks Moors, just outside Whitby.
The ruling will have major implications for other national parks in the UK.
Opponents of the plans say all national parks should remain untouched.
However, supporters of the proposed mine say it would bring much-needed jobs and huge economic benefits.
Rachel Bullock has been looking at the reaction in North Yorkshire - watch her full report below.
Chris France, Director of Planning, has been speaking to ITV News about the importance of the decision being made about whether a potash mine can be built near Whitby in North Yorkshire.
A decision on whether to grant permission for a multimillion pound potash mine on the North York Moors National Park could have implications for other national parks.
York Potash hopes to place the mine in Sneaton, just outside Whitby.
However, campaigners say that the area must remain protected.
Supporters are arguing that the decision will bring 4,000 new jobs to the area and massive economic benefits.
The planning decision was due to take place last Monday but has been deferred for a third time to allow the company to assess the environmental impact.
The final decision may now not be made until next year.
The decision over whether to grant planning permission for a potash mine under the North York Moors has been deferred for a third time.
York Potash has asked the National Park Authority for more time to submit environmental information.
A new date to consider the application has yet to be fixed.
Plans have been submitted for a new underground pot-ash mine beneath the North Yorkshire moors.
The development would be close to Sneaton village, near Whitby.
More than one billion tonnes of the mineral polyhalite has been found - it would then be mined and turned into pot-ash fertiliser.
If the application is approved the project could create thousands of jobs for the local area.
Plans are expected to be put to public consultation.
Plans for a potash mine four miles south of Whitby have been submitted to the National Park authority in the North York Moors.
The company behind it says that it will invest a billion pounds into the mine - creating thousands of jobs in the Sneaton area.
However, opponents say that they are worried that it could spoil one of England's most beautiful areas.
Watch the full report from Frances Read below.
Many people who live in the area where the potash mine could be built say that they are worried that, if built, it could spoil one of England's most beautiful areas.
Proposals for a new potash mine south of Whitby have come a step closer as planning documents have been submitted to the North Yorkshire Moors' National Park Authority.
The plans for the mine four kilometres south of Whitby would create thousands of jobs.
However, opponents claim that the potash mines would be a blot on the landscape.
A major planning battle is expected after a mining company announced today it had submitted a long-awaited application to sink a potash mine in the North York Moors national park, creating a 1,000 permanent jobs.
Sirius Minerals wants to build the mine two-and-a-half miles south of Whitby. It says the mine would exploit what is believed to be the world's biggest and best quality supply of potash, which is used to make fertiliser.
But critics say the technology is untested and the mine will be an eyesore in the heart of one of the region's most protected landscapes. The company says it expects a decision to be made by the national park planning authority in May.