More than 80% of the world’s reefs hit by bleaching after worst global event on record (www.theguardian.com)
from MicroWave@lemmy.world to world@lemmy.world on 23 Apr 11:28
https://lemmy.world/post/28601376

An ashen pallor and an eerie stillness all that remains where there should fluttering fish and vibrant colours in the reefscape, one conservationist says

The world’s coral reefs have been pushed into “uncharted territory” by the worst global bleaching event on record that has now hit more than 80% of the planet’s reefs, scientists have warned.

Reefs in at least 82 countries and territories have been exposed to enough heat to turn corals white since the global event started in January 2023, the latest data from the US government’s Coral Reef Watch shows.

Coral reefs are known as the rainforests of the sea because of their high concentration of biodiversity that supports about a third of all marine species and a billion people.

But record high ocean temperatures have spread like an underwater wildfire over corals across the Pacific, Atlantic and Indian oceans, damaging and killing countless corals.

#world

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disguy_ovahea@lemmy.world on 23 Apr 11:59 next collapse

Everyone is playing the Earth’s favorite new game, Extinction Events! Brought to you by corporate America.

Will you starve, drown, burn, asphyxiate, or succumb to disease? The fun doesn’t stop until the last player is out!

kayote@feddit.org on 23 Apr 12:28 next collapse

Hey, let’s not put all the blame on corporate america. Corporations, greed, lobby work and politics world wide fucked up. Yay us!

disguy_ovahea@lemmy.world on 23 Apr 12:42 collapse

I’m focused on the largest contributor to greenhouse gas emissions (when you account for overseas manufacturing), who left the Paris Climate Agreement, cancelled renewable energy subsidies, and is actively repealing EPA regulations to drive profits in the private sector.

But yes, other corporations are contributing as well. They just pale in comparison.

kayote@feddit.org on 23 Apr 14:43 collapse

Got it and fair enough (or not). I’m not well educated about it all. Just thinking about north stream pipeline blow up, as well as shady oil companies, etc.

disguy_ovahea@lemmy.world on 23 Apr 15:52 collapse

Oh for sure. We even contribute on a smaller scale by using sunscreen containing oxybenzone or octinoxate when swimming near reefs. The latter also breaks down into a carcinogen and hormone disrupter.

kayote@feddit.org on 23 Apr 16:40 collapse

I’ve been going for “reef friendly” sunscreen for beach days. Are these safe?

disguy_ovahea@lemmy.world on 23 Apr 19:17 collapse

Typically, yes. It’s best to just double-check the ingredients list for those two chemicals. I don’t trust advertising.

henfredemars@infosec.pub on 23 Apr 12:29 collapse

I don’t even get to see any of that money. Yet, I have to live on a dying planet with the rest of you.

xc2215x@lemmy.world on 23 Apr 12:06 next collapse

Utterly brutal for the reefs. Wow.

TheFriar@lemm.ee on 23 Apr 14:58 collapse

Utterly brutal for all life on planet earth.

JohnDClay@sh.itjust.works on 23 Apr 12:09 collapse

Hank Green video on what we can do. Reefs can actually recover from bleaching, which I didn’t know.

youtu.be/hxZDyV-E5WY

WhatAmLemmy@lemmy.world on 23 Apr 14:21 collapse

They can, but they aren’t gonna experience a time as cool as the 2020’s for at least another century. The extinction of 90+% of the world’s coral reefs are already locked in.

Within the next 15 years, we’ll emit another 25% of all GHG’s emitted to date.

Don’t ever take this in a defeatist kind of way. Get fuckin angry. Humanity is systematically murdering most life on earth — in the blink of an eye — all because of our most greedy, selfish, and ignorant.

JohnDClay@sh.itjust.works on 23 Apr 14:42 collapse

Yeah, the defeatist view is really dangerous. But as the video addresses, by limiting other stressors, reefs can recover even at higher temperatures.

Poem_for_your_sprog@lemmy.world on 23 Apr 16:36 collapse

We’re in for 4-10C (highest probability at 6C) of warming. Where’s the hope?

JohnDClay@sh.itjust.works on 23 Apr 17:56 collapse

There’s no hope of zero warning. There’s hope that we can minimize the warming to that 6C or lower. And hope that we can help ecosystem adapt to new climates. There are corals that are adapting, we need to make sure they survive and spread. We might even need to engineer in heat tolerance. Warming is coming, if they only need to deal with it, they might be able to adapt. But when you stack an half a dozen other significant stressors, it becomes much less likely to survive. So reducing those stressors helps, even if global warming is going to be bad.