Tyre dust: the ‘stealth pollutant’ that’s becoming a huge threat to ocean life

Plastic in the depths: Scientists spent decades on the trail of a mystery toxin killing #Salmon en masse. Mystery of the mass deaths seemed to occur after heavy rains #pnw #yvr
first real breakthrough happened when they tested actual runoff collected from a nearby road and exposed test salmon to it. The fish died within hours
Tested this product @environmentca🤔
..carefully shaved tiny fragments of tyre & soaked them in water. “When we tested the tyres it killed all the fish".. culprit a toxic chemical 6PPD-quinone, product of the preservative 6PPD, added to tyres to stop them breaking down #Plastic
Tyre-wear particles – a mixture of tyre fragments, including synthetic rubbers, fillers and softeners & road surface particles – are considered by environmental scientists to be one of the most significant sources of #microplastics in the ocean.
#transport #pollution #tyres
"if future {plastic} emissions remain constant or increase “the ecological risks could be widespread.. "
average tyre loses 4kg over its lifetime. About 6m tonnes of tyre particles are emitted annually and have been found everywhere from the deep sea, to the atmosphere, even in the Arctic and the Antarctic.
Electric cars will lower tailpipe emissions, but tyre wear is projected to rise, due to heavier vehicles & torque ( rotational force of EV engine)
👉🏽UK’s air quality grp warned in 2019 dust from tyres & car brakes wld continue to pollute air, rivers & oceans
“Tyre dust is impossible to control'

Tyre particles have been found to be smaller than 0.02 microns 👉🏽“Anything that is 10 microns can be inhaled in our lungs & anything that is 2.5 microns has the potential to pass the membrane barrier" #Plastic #microplastics #dust #bcpoli

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More from @pmagn

Jul 31
Who are these experts planning projects ignoring #RapidGlobalWarming #bizarre
What might not have been immediately obvious in the coverage of the government’s decision was that the Planning Inspectorate, tasked with assessing such projects, had recommended that permission be refused.
The problem, the examiners explained, was fairly simple: @edfenergy couldn’t say exactly where it would obtain one of the main substances needed to make a nuclear power station work, that substance being water.🫣
Read 5 tweets
Jul 30
‘Soon it will be unrecognisable’: total climate meltdown cannot be stopped

Blistering heatwaves are just the start. We must accept how bad things are b4 we can head off global catastrophe, according to a leading UK scientist #Extinction Rebellion #bcpoli
"5 unexpected threats posed by the pumping of carbon dioxide into the atmosphere" 👉🏽Make that 6.. OVERLAPPING pandemics
#monkeypox #covid
“This is a call to arms,” he says. “So if you feel the need to glue yourself to a motorway or blockade an oil refinery, do it. Drive an electric car or, even better, use public transport, walk or cycle. Switch to a green energy tariff; eat less meat."
Read 4 tweets
Jul 29
Watch "At least 8 dead in historic flooding in Kentucky " #kentuckyFlooding

15 dead many still unaccounted for

So we're going to adapt to 2C #RapidGlobalWarming 🤔
Read 4 tweets
Jul 28
Climate crisis ‘insufficient’ to halt oil and gas exploration, says New Zealand government

Despite declaring a climate emergency, govt is in court defending decision to issue fossil fuel prospecting permits in Taranaki #NewZealand #jacindaardern

We're effed. Not even social democratic govts can resist fossil fuels were going to hell .@jacindaardern #NewZealand
Read 4 tweets
Apr 9
Hydrogen '2x as powerful a greenhouse gas as thought before': UK govt study

Global Warming potential (GWP) of #hydrogen is between 6 & 16, 11 the ave — GWP of CO2 is 1. Previous 2001 study put GWP of hydrogen at 5.8
“Any leakage of H2 will result in an indirect global warming, offsetting greenhouse gas emission reductions made as a result of a switch from fossil fuel to H2,”

"much smaller molecule than #methane.. much more easily leak from existing #naturalgas pipelines if used to carry H2"
report does not take into account GWP of PRODUCING hydrogen, only impact of H2 released into atmosphere

electrolysis production of H2 wld result in 9.2% leakage frm “venting & purging”, but this wld fall to 0.52% “with full recombination from purging & crossover venting”.
Read 5 tweets
Apr 8
Wild Weather: Our World Under Threat | Knowledge.c
#lytton bc #bcstorm #bcwildfires #bcheatwave
#bcheatdome #heatdome
#MichaelMann telling the truth👀😳 on what happens at 2°C + #TellTheTruth #ExtinctionRebellion #ClimateScientists #RapidGlobalWarming
Mann also simply explains why Australia is a Climate Canary.. it's already barely on the edge b4 Global Warming started amping up.
Read 7 tweets

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