https://amp.news.com.au/technology/environment/natural-wonders/shade-cloth-and-fake-clouds-in-444m-plan-to-save-great-barrier-reef/news-story/537bd5afabc61ccec6927791d060e91e?__twitter_impression=true

Surface film and fake clouds in $444m plan to save Great Barrier Reef
JULY 12, 2019 9:28AM
Professor Peter Harrison and the Great Barrier Reef Foundation conduct a
successful experiment in larval reseeding or 'coral IVF' to serve as a
beacon of hope for the future of a healthier Great Barrier Reef.

news.com.au
An innovative product could be key to saving the Great Barrier Reef.
The use of surface film is among a number of radical solutions proposed in
a 113-page report from the Great Barrier Reef Foundation, which outlines
how it plans to spend a $444 million war chest of Federal Government money.

According to a report in The Courier-Mail, man-made clouds and cool water
sprays are also being considered.


The shade cloth would float on the surface and protect the reef from
sunlight, reducing the excessive heat contributing to coral bleaching.

Backers have compared the plan to putting shade cloth over vegie patches.

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Successive heatwaves have put pressure of the Great Barrier Reef. Picture:
Lachie Millard Source: News Corp Australia
“Preliminary modelling indicates that the best option for reef-wide
protection lies in large-scale solar radiation management,” the report
states.

“The concept of creating shade through clouds, mist, fog, or surface films
assumes that decreased solar radiation protects corals from bleaching.

“RRAP (Reef Restoration and Adaptation Program) model predictions indicate
that keeping existing corals alive at a large scale would have the biggest
impact of all considered interventions.”

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Sir David Attenborough this week revealed his shock at damage done to the
reef. Picture: AFP Source: AFP
News of the radical solution comes just days after Sir David Attenborough
slammed “powerful” figures in Australia for failing to act on climate
change.

Sir David, who first dived at the Great Barrier Reef in the 1950s, said he
was stunned to see its deterioration when he returned about 10 years ago.

“I will never forget diving on the reef … and suddenly seeing, instead of
this multitude of wonderful forms and life, that it was stark white,” he
said.

“It had bleached white because of the rising temperatures and the
increasing acidity of the sea.”

Researchers say urgent action is needed to save the reef, which has been
damaged by successive ocean heatwaves.

Heatwaves in 2016 and 2017 were estimated to have caused an 89 per cent
fall in the growth of new coral.

The reef is also being decimated by crown-of-thorns starfish infestations,
with more than a million of the creatures culled in the last four years.

Outbreaks of the dreaded starfish, which feed on hard coral, have been
linked to increased pollution in waters around the reef

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