Oil Tanker Fire Near Hong Kong Kills 1, Potential Spill Could Threaten Endangered Turtles and Dolphins

An oil tanker caught fire off of Hong Kong's Lamma Island Tuesday morning, leaving one person dead and two missing.
"We could see that the victim who passed away had been burned," police representative Wong Wai-hang said in a briefing reported by The New York Times. "There were clear injuries on his head and fractures in his hands and feet."
An additional 23 crew members were rescued from the water. Four were injured and one was being treated in intensive care.
The explosions were strong enough to be felt by residents of the nearby island, CNN reported.
"My windows shook really badly but (there) was no wind," Lamma resident Deb Lindsay told CNN. "I thought there had been an earthquake!"
Lamma Island residents worried about a potential oil spill reaching their coastline. Southern Lamma Island hosts a protective nesting site for green turtles, a severely endangered species. An endangered colony of white dolphins also calls Hong Kong waters home.
Turtle sightings dwindle on Hong Kong's 'turtle cove' www.youtube.com
Hong Kong's Environmental Protection Department told CNN that cleaning vessels had been immediately placed on standby but that no oil spill had yet been detected. Some liquid was seen spilling from the boat, but it was unclear if it was oil or water from firefighting, and there was no oil residue on the water around the vessel.
The boat had been refueling in Hong Kong on its way to Thailand from the southern Chinese city of Dongguan, The New York Times reported.
The Fire Services Department's division commander of marine and diving Yiu Men-yeung told The South China Morning Post that the boat was tilted 30 degrees as of Tuesday evening but was at no risk of sinking.
However, officials said the boat was too hot to tow away immediately, or to board to discover the cause of the fire, and would need several days to cool down.
One fire department insider with 30 years of experienced explained to the South China Morning Post that fighting fires on oil tankers was especially challenging:
"Depending on the situation, the two major fireboats spray foam to coat the tanker and suppress combustion. Other fireboats use water jets to cool the vessel," the insider said, on condition of anonymity.
"It has taken [firefighters overseas] several days or even a few weeks to extinguish oil tanker fires in worst-case scenarios. It is definitely not easy."
The insider also added that rescue operations were difficult because the heat of the vessels made boarding perilous. Further, the fact that oil leaks could cause fires to break out on the water itself make rescue diving too dangerous.
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The speed and scale of the response to COVID-19 by governments, businesses and individuals seems to provide hope that we can react to the climate change crisis in a similarly decisive manner - but history tells us that humans do not react to slow-moving and distant threats.
A Game of Jenga
<p>Think of it as a game of Jenga and the planet's climate system as the tower. For generations, we have been slowly removing blocks. But at some point, we will remove a pivotal block, such as the collapse of one of the major global ocean circulation systems, for example the Atlantic Meridional Overturning Circulation (AMOC), that will cause all or part of the global climate system to fall into a planetary emergency.</p><p>But worse still, it could cause runaway damage: Where the tipping points form a domino-like cascade, where breaching one triggers breaches of others, creating an unstoppable shift to a radically and swiftly changing climate.</p><p>One of the most concerning tipping points is mass methane release. Methane can be found in deep freeze storage within permafrost and at the bottom of the deepest oceans in the form of methane hydrates. But rising sea and air temperatures are beginning to thaw these stores of methane.</p><p>This would release a powerful greenhouse gas into the atmosphere, 30-times more potent than carbon dioxide as a global warming agent. This would drastically increase temperatures and rush us towards the breach of other tipping points.</p><p>This could include the acceleration of ice thaw on all three of the globe's large, land-based ice sheets – Greenland, West Antarctica and the Wilkes Basin in East Antarctica. The potential collapse of the West Antarctic ice sheet is seen as a key tipping point, as its loss could eventually <a href="https://science.sciencemag.org/content/324/5929/901" target="_blank">raise global sea levels by 3.3 meters</a> with important regional variations.</p><p>More than that, we would be on the irreversible path to full land-ice melt, causing sea levels to rise by up to 30 meters, roughly at the rate of two meters per century, or maybe faster. Just look at the raised beaches around the world, at the last high stand of global sea level, at the end of the Pleistocene period around 120,0000 years ago, to see the evidence of such a warm world, which was just 2°C warmer than the present day.</p>Cutting Off Circulation
<p>As well as devastating low-lying and coastal areas around the world, melting polar ice could set off another tipping point: a disablement to the AMOC.</p><p>This circulation system drives a northward flow of warm, salty water on the upper layers of the ocean from the tropics to the northeast Atlantic region, and a southward flow of cold water deep in the ocean.</p><p>The ocean conveyor belt has a major effect on the climate, seasonal cycles and temperature in western and northern Europe. It means the region is warmer than other areas of similar latitude.</p><p>But melting ice from the Greenland ice sheet could threaten the AMOC system. It would dilute the salty sea water in the north Atlantic, making the water lighter and less able or unable to sink. This would slow the engine that drives this ocean circulation.</p><p><a href="https://www.carbonbrief.org/atlantic-conveyor-belt-has-slowed-15-per-cent-since-mid-twentieth-century" target="_blank">Recent research</a> suggests the AMOC has already weakened by around 15% since the middle of the 20th century. If this continues, it could have a major impact on the climate of the northern hemisphere, but particularly Europe. It may even lead to the <a href="https://ore.exeter.ac.uk/repository/handle/10871/39731?show=full" target="_blank" rel="noopener noreferrer">cessation of arable farming</a> in the UK, for instance.</p><p>It may also reduce rainfall over the Amazon basin, impact the monsoon systems in Asia and, by bringing warm waters into the Southern Ocean, further destabilize ice in Antarctica and accelerate global sea level rise.</p>The Atlantic Meridional Overturning Circulation has a major effect on the climate. Praetorius (2018)
Is it Time to Declare a Climate Emergency?
<p>At what stage, and at what rise in global temperatures, will these tipping points be reached? No one is entirely sure. It may take centuries, millennia or it could be imminent.</p><p>But as COVID-19 taught us, we need to prepare for the expected. We were aware of the risk of a pandemic. We also knew that we were not sufficiently prepared. But we didn't act in a meaningful manner. Thankfully, we have been able to fast-track the production of vaccines to combat COVID-19. But there is no vaccine for climate change once we have passed these tipping points.</p><p><a href="https://www.weforum.org/reports/the-global-risks-report-2021" target="_blank">We need to act now on our climate</a>. Act like these tipping points are imminent. And stop thinking of climate change as a slow-moving, long-term threat that enables us to kick the problem down the road and let future generations deal with it. We must take immediate action to reduce global warming and fulfill our commitments to the <a href="https://www.ipcc.ch/sr15/" target="_blank" rel="noopener noreferrer">Paris Agreement</a>, and build resilience with these tipping points in mind.</p><p>We need to plan now to mitigate greenhouse gas emissions, but we also need to plan for the impacts, such as the ability to feed everyone on the planet, develop plans to manage flood risk, as well as manage the social and geopolitical impacts of human migrations that will be a consequence of fight or flight decisions.</p><p>Breaching these tipping points would be cataclysmic and potentially far more devastating than COVID-19. Some may not enjoy hearing these messages, or consider them to be in the realm of science fiction. But if it injects a sense of urgency to make us respond to climate change like we have done to the pandemic, then we must talk more about what has happened before and will happen again.</p><p>Otherwise we will continue playing Jenga with our planet. And ultimately, there will only be one loser – us.</p>By John R. Platt
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