The parents of children who go to a school in Pontypool are worried about plans for an opencast mine in the Varteg Valley.
Torfaen Council refused plans put forward by Glamorgan Power but the Welsh Government has now said the company can appeal.
Jayne Lewis and Michael Weedall say they are concerned about the impact it would have on their children.
The Welsh Government said it does not comment on individual planning applications.
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It will be a bright start to Saturday, with some sunny spells. However, cloud and rain will reach the far west by late-afternoon.
Researchers at Cardiff University have unveiled a new drug that's extending the lifetimes of some cancer patients.
Showers will become confined to northern parts through the course of the night, with clear spells developing elsewhere.