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.
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Middlesbrough kept their unbeaten re-entry into the Premier League going drawing 0-0 at West Brom.
He has agreed a two-year contract at St. James' Park and becomes the tenth new face in the Magpies' first team squad this summer.
On the back of three consecutive Championship wins, the Magpies sit fourth, poised to move into the automatic promotion places.