Around 100bn barrels of oil apparently lies beneath this field near Gatwick airport. But can it be extracted economically let alone sustainably? The Guardian went on site to find out

Related: Gatwick oil find ‘could produce 100bn barrels’

There was one stetson visible on the Surrey-West Sussex border on Thursday, matched with a fetching purple Western shirt and sunglasses. But it was very much of the fancy dress variety, and modelled by a slightly embarrassed-looking tabloid reporter despatched by her editors to pose for some Dallas-style photographs.

“The scientific consensus on climate change has never been greater and we have been told that the only way we have a chance of averting catastrophe is by leaving large reserves of oil in the ground.”

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