The Morrison government has abandoned plans for a $10 million campaign promoting the Great Barrier Reef's promising future, after a public backlash over its failure to address climate change and protect the natural wonder.

An eminent reef scientist has also slammed as "not scientifically credible" claims by a charity gifted $444 million for reef conservation efforts that it will "climate-proof" the tourism icon.

Fairfax Media has learned the government has scrapped the $10 million reef communication campaign outlined in this year's federal budget.

The Morrison government has abandoned a $10 million pubic relations campaign to raise hopes about the future of the reef. Credit:

The campaign would have sought to give the public hope that the reef can be saved and outlined action being taken to protect it, after devastating back-to-back coral bleaching events brought on by climate change.