Antinuclear

Australian news, and some related international items

Australian governments finally admitting the dire fate of the Great Barrier Reef

Australian governments concede Great Barrier Reef headed for ‘collapse’ The Age, By Nicole Hasham, 20 July 18 ,  The world’s climate change path means the Great Barrier Reef is headed for “collapse” according to a plan endorsed by state and federal governments that critics say turns a blind eye to Australia’s inadequate effort to cut carbon emissions.

The federal and Queensland governments on Friday released a “new and improved” Reef 2050 Plan to save the iconic natural wonder, which explicitly acknowledges climate change poses a deadly threat to the reef.

The comments depart starkly from previous official efforts to downplay damage wrought on the reef for fear of denting the tourism industry.

Based on current climate projections, the outlook for coral reefs generally is “one of continuing decline over time, and in many regions, including the Great Barrier Reef, the collapse and loss of coral reef ecosystems”, the plan says.

It concedes that consecutive coral bleaching events and other stressors “have fundamentally changed the character of the reef”, which is one of the most diverse ecosystems on the planet. “Coral bleaching is projected to increase in frequency … those coral reefs that survive are expected to be less biodiverse than in the past,” the plan says.

The reef is the world’s largest living structure, covering an area roughly the size of Italy.

Coral reefs are particularly sensitive to the effects of climate change including higher sea temperatures, ocean acidification and more intense storms and cyclones.

The plan recognised that “holding the global temperature increase to 1.5°C or less is critical to ensure the survival of coral reefs”.

However WWF-Australia head of oceans Richard Leck said Australia’s emissions reduction efforts were not even in line with limiting warming to 2°.

He cited a 2017 report by the United Nations environment program that found Australia’s greenhouse gas emissions were set to far exceed its pledge under the Paris accord. This agreement aims to limit global temperature rises this century to well below 2° and to pursue efforts to limit the increase to 1.5°.

“It is simply not good enough for the revised plan to suggest the global community must work to limit warming when Australia is not doing its fair share,” Mr Leck said.

The Australian Marine Conservation Society’s reef campaign director Imogen Zethoven said increased recognition of climate change as a threat to the reef must be followed by action…….https://www.theage.com.au/politics/federal/australian-governments-concede-great-barrier-reef-headed-for-collapse-20180720-p4zsof.html

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July 21, 2018 - Posted by | AUSTRALIA - NATIONAL, climate change - global warming, politics

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