Discover and read the best of Twitter Threads about #MassExtinction

Most recents (10)

"Systems Thinking is a must have skill in today’s complex, changing, non-linear world where everything is interconnected as well as interdependent." -- Sahana Chattopadhyay @sahana2802 greeneracresvaluenetwork.wordpress.com/2022/05/09/dai…
Choice Quotes from Bill Gates's New Book ⋆ Brownstone Institute
brownstone.org/articles/choic…
#BiologicalVirus, #ComputerVirus, #AbnormalPsychology, #IntellectualError, #BookReview
Read 13 tweets
The IPCC Climate Change 2022: Impacts, Adaptation and Vulnerability was released today. I'm going to go through the executive summary and post some "highlights". #IPCC #IPCCReport

report.ipcc.ch/ar6wg2/pdf/IPC…
Risk can arise from the dynamic interactions among climate-related hazards,exposure & vulnerability of affected human & ecological systems. Risk that can be introduced by human responses to #climatechange is a new consideration in the risk concept. There are 127 key risks. Image
Observed Impacts from Climate Change:

" The rise in weather and climate extremes has led to some irreversible impacts as natural and human systems are pushed beyond their ability to adapt"
Read 25 tweets
2.4 billion years ago, Earth's atmosphere was free of oxygen. Iron didn't rust! Only anaerobic species could survive.

And then ... cyanobacteria evolved photosynthesis, and began to pump oxygen into the atmosphere.

Oops.

🧵 1/n

#GreatOxygenationEvent

en.wikipedia.org/wiki/Great_Oxi… Image
Suddenly, iron dissolved in the oceans bonded with oxygen and precipitated, forming layers of rust on the ocean floor. The deposits got thicker and thicker, reaching 100s of meters. 60% of iron is mined from these layers! 2/n

#bandedironformations

en.wikipedia.org/wiki/Banded_ir… Image
Methane was no longer stable: it reacted with oxygen to form CO2. Methane is a far more powerful greenhouse gas - so dropping methane levels triggered sudden cooling. The Earth froze over, with glaciers reaching as far as the tropics. 3/n

#snowballEarth

theconversation.com/billions-of-ye…
Read 6 tweets
We watched "Don't Look Up" last night -- dumb movie, but convinced me not to hold back inconvenient truths.
So here goes.
#Greenland The Danish Meteorological Institute says huge warming there is linked to #ClimateChange .
How much "warming?"
MORE
2/
- The capital Nuuk hit 55 F this week -- average temp for this time = 22.5 F
- Further north in Qaanaaq temp topped 46 F -- normal is -4.2 F.
70% of Earth's freshwater is frozen, and #Greenland is the 2nd largest block of ice after #Antarctica. If it were to fully melt...
MORE
3/
...world sea levels would rise 23 feet. climate.nasa.gov/faq/30/if-all-…
That would obliterate the homes, schools, workplaces of >10% of the U.S. population. climate.gov/news-features/…
MORE
Read 5 tweets
Some more #MassExtinction chatter today:

The Late Devonian not only suffered from a protracted extinction event, but was marked by low speciation (meaning that fewer new species were evolving at this time than average). Image
About 375 to 360 million years ago the Devonian period experienced elevated rates of extinction that lasted as long as 20 million years. Evidence has suggested that this rise in extinction rates was caused by a dramatic decrease…
…in stratospheric ozone and a warming climate. When the ozone layer was striped away, possibly by a nearby supernova which would have accelerated cosmic rays and delivered ionizing radiation to the Earth’s surface.
Read 14 tweets
Visiting #LaReunion allowed for a very special adventure with my 8-month old son. We wanted to see one of the rarest birds in the world before it disappeared: the Reunion Cuckoo-shrike.

This is a thread about #birds, #birding, fatherhood, #biodiversity and #extinction ... 1/13
@Team_eBird @BirdLife_News @BirdWatchingMag @Natures_Voice @WildlifeMag @Britnatureguide @RareBirdAlertUK @extinctsymbol @BirdNoteRadio 2. What does #extinction mean? What does it feel like? How does our species internalise, let alone rationalise, the loss of another?

Perhaps, like the Universe itself, the #anthropocene sixth mass extinction is too big, too abstract, just too *much*, for us to absorb.
@Team_eBird @BirdLife_News @BirdWatchingMag @Natures_Voice @WildlifeMag @Britnatureguide @RareBirdAlertUK @extinctsymbol @BirdNoteRadio 3. So let's focus on just one species: a bird few have heard of, and fewer would likely think or care about. A type of cuckoo-shrike found only on #Reunion, the next-door island to my home in #Madagascar.

A bird from an island where avian extinctions have already occurred.
Read 13 tweets
RT this [THREAD] of articles if you'd like to ask Twitter's most popular UK political commentators - the vast majority of whom seldom or never mention the Ecological Emergency - for analysis of the politics of catastrophic #ClimateBreakdown, #MassExtinction & #EcologicalCollapse.
Dear @jonsnowC4 @peston @bbclaurak @bbcnickrobinson @afneil

'we could be looking at an epic extinction event, caused by ourselves, which could include exterminating our own species, or at least what we call “civilization,” in as little as nine years.'

counterpunch.org/2017/02/10/loo…
Hi @OwenJones84 & @paulmasonnews

'We are already facing mass extinction. There is no removing the heat we have introduced into the oceans, nor the 40bn tons of CO2 we pump into the atmosphere every single year. There may be no changing what is happening'

theguardian.com/news/2019/jan/…
Read 36 tweets

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