The Abbott government has spent $100,000 on travel costs to send environment department officials to lobby other countries not to list the Great Barrier Reef as in danger.
The figure was revealed in a Senate estimates hearing on Monday after questions from the Greens.
The government has mounted a massive international effort to avoid UNESCO’s world heritage committee listing the reef as officially in danger next month.
That has included establishing a dedicated taskforce within the Department of Foreign Affairs and Trade and travelling to each of the 21 countries on the committee.
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