The Sussex Wildlife Trust claims that insufficient consultation and surveys were carried out before oil drilling started at Balcombe.
The charity says the ancient woodland surrounding the site in West Sussex could be home to a number of species of woodland birds, bats and dormice and their habitat is potentially being disrupted while exploration takes place.
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Tuesday's weather for the west of the region
Tuesday's weather for the east of the region
An elderly couple who live next to a proposed Thames Crossing say they fear they'll lose everything - including their home of 88 years.