Environment Minister Greg Hunt has caved to mining interests and approved the dredging and dumping of 3 million cubic metres of seabed in the Great Barrier Reef World Heritage Area at Abbot Point.

It was a decision that stung, but here's why we can't give up.

The Great Barrier Reef Marine Park Authority (GBRMPA) still has to issue a permit to allow the dumping to occur in the Marine Park. They have said they will make a decision within ten days.

Minister Hunt has approved the project without even knowing where the dumping will occur. Without knowing where the dump site is, there is no way the environmental impact on the Reef and its fragile ecosystem can be accurately assessed. As protectors of the Reef, we must put pressure on our Indpendent Reef Authority to not greenlight dumping toxic sludge in our Reef water.

Can you take a few moments to email GBRMPA and demand that no dumping be approved before knowing exactly how it'll impact our Reef?

There are some points you might like to include below. But the more you can put your concerns into your own words, the more powerful they'll be.