Tony R. Walker
@tonyrwalker1.bsky.social
Professor, Dalhousie University, Nova Scotia, Canada 🇨🇦
Editor, Cambridge Prisms: Plastics
Born at 324 in 🇬🇧
#plasticpollution #singleuseplastic #microplastics #PlasticsTreaty #ClimateChange #SciComm #SciPol
Environmental science
63%
Geography
16%
Pinned
Tony R. Walker
@tonyrwalker1.bsky.social
· Nov 12
Happy to share that I made the #Clarivate #HighlyCited2025 list again.
This time in 2 field categories (in the field of Environment and Ecology and in Cross-Field)!
#plasticpollution
#singleuseplastic
#microplastics
#PlasticsTreaty
#ClimateChange
#SciComm
#SciPol
@dalhousieu.bsky.social
This time in 2 field categories (in the field of Environment and Ecology and in Cross-Field)!
#plasticpollution
#singleuseplastic
#microplastics
#PlasticsTreaty
#ClimateChange
#SciComm
#SciPol
@dalhousieu.bsky.social
Student research award scrapped due to province's focus on economic outcomes | CBC News
The Scotia Scholars Award supported health-related research at Nova Scotia post-secondary institutions and was administered by Research Nova Scotia.
www.cbc.ca
It’s getting even harder now to secure student scholarships 👇
Student research award scrapped due to province's focus on economic outcomes
www.cbc.ca/news/canada/...
Student research award scrapped due to province's focus on economic outcomes
www.cbc.ca/news/canada/...
Cracking the code of multi-layer films to promote circularity in single-use plastic packaging - Nature Communications
Multi-layer film packaging revolutionized food preservation by combining diverse material layers to optimize barrier properties, mechanical strength, and shelf-life but they pose significant recycling...
www.nature.com
Cracking the code of multi-layer films to promote circularity in #singleuseplastic packaging
www.nature.com/articles/s41...
www.nature.com/articles/s41...
The global plastics treaty can be saved — here’s how to break the deadlock
The stalled multinational effort to protect environmental and human health from plastic pollution is salvageable, with a revamped negotiation process.
www.nature.com
The global plastics treaty can be saved — here’s how to break the deadlock www.nature.com/articles/d41...
#PlasticsTreaty
#PlasticPollution
@scientistscoa.bsky.social
#PlasticsTreaty
#PlasticPollution
@scientistscoa.bsky.social
Reposted by Tony R. Walker
How a warming climate is changing the Winter Olympics
Nearly half the places that once hosted the Winter Olympics may not have the right climate conditions to ever do it again. For The National, CBC News chief correspondent Adrienne Arsenault travels hig...
www.cbc.ca
"Nearly half the places that once hosted the Winter Olympics may not have the right climate conditions to ever do it again."
www.cbc.ca/player/play/...
www.cbc.ca/player/play/...
Australian tropical rainforest trees switch in world first from carbon sink to emissions source
Researchers say carbon emissions change in Queensland tropical rainforests may have global climate implications
www.theguardian.com
This research paper is the first time that a tipping point of a switch from a carbon sink to a carbon emission source in tropical rainforests has been identified clearly – not just for one year but for the last 20 years. Cause is a change in the local climate. www.theguardian.com/environment/...
Reposted by Tony R. Walker
ICE claim that a man shattered his skull running into wall triggers tension at a Minnesota hospital
Nurses in Minneapolis doubted federal immigration officers' claims about a Mexican immigrant's severe injuries.
apnews.com
Law enforcement cannot be lawless.
Thousands of aggressive, untrained agents of the federal government continue to injure and terrorize Minnesotans. This must end.
apnews.com/article/immi...
Thousands of aggressive, untrained agents of the federal government continue to injure and terrorize Minnesotans. This must end.
apnews.com/article/immi...
Protected lands on the chopping block under J.D. Irving's proposed forest swap | CBC News
J.D. Irving’s plan is to conserve areas near communities in the working forest in the southeast and Fundy regions of the province in exchange for being able to harvest areas of protected old forest in...
www.cbc.ca
Roberta Clowater of the Canadian Parks and Wilderness Society questioned why protected areas would be treated as “a wood bank for industry.”
www.cbc.ca/news/canada/...
www.cbc.ca/news/canada/...
Another Monday.
Another Snow ❄️ Day.
That means it’s Groundhog Day!!
Another Snow ❄️ Day.
That means it’s Groundhog Day!!
Appeal court rules in favour of Ottawa's toxic plastic listing | CBC News
In a victory for the Liberal government, the Federal Court of Appeal has upheld its decision to list plastics as toxic, enabling Ottawa to ban single-use plastic items.
www.cbc.ca
But today, scientific evidence-based policy won!
Vindication!!!!
Appeal court rules in favour of Ottawa's toxic plastic listing
www.cbc.ca/news/politic...
Vindication!!!!
Appeal court rules in favour of Ottawa's toxic plastic listing
www.cbc.ca/news/politic...
Canada must uphold its classification of single-use plastics
Letter to the Editor
www.nature.com
Then the plastic industry lobbyists managed to get the Canada’s Federal Court to overturn the nation’s ban on single-use plastics, claiming that the policy was “unreasonable and unconstitutional”.
www.nature.com/articles/d41...
#singleuseplastics
www.nature.com/articles/d41...
#singleuseplastics
Canada is right to classify single-use plastics as toxic
Letter to the Editor
www.nature.com
Then a group of Canadian industry lobbyists launched the Responsible Plastic Use Coalition to pursue legal action against the move.
But the federal government was right to classify #singleuseplastics as toxic
www.nature.com/articles/d41...
But the federal government was right to classify #singleuseplastics as toxic
www.nature.com/articles/d41...
Canada Gazette, Part 2, Volume 155, Number 10: Order Adding a Toxic Substance to Schedule 1 to the Canadian Environmental Protection Act, 1999
May 12, 2021, Part 2, Volume 155, Number 10, Canada Gazette
gazette.gc.ca
In 2021, the Canadian government added manufactured #plastic items to the list of toxic substances under Schedule 1 of the Canadian Environmental Protection Act.
gazette.gc.ca/rp-pr/p2/202...
#plasticpollution
#singleuseplastics
#toxicsubstances
#CEPA
gazette.gc.ca/rp-pr/p2/202...
#plasticpollution
#singleuseplastics
#toxicsubstances
#CEPA
Canada must uphold its classification of single-use plastics
Letter to the Editor
www.nature.com
We were right all along...
But in a unanimous decision Friday, the three-judge panel ruled the federal government’s decision to list plastic manufactured items as toxic was reasonable.
Canada must uphold its classification of single-use plastics
www.nature.com/articles/d41...
But in a unanimous decision Friday, the three-judge panel ruled the federal government’s decision to list plastic manufactured items as toxic was reasonable.
Canada must uphold its classification of single-use plastics
www.nature.com/articles/d41...
A 2023 Federal Court decision said Ottawa had overstepped in designating all “plastic manufactured items” as toxic.
Vindication!
The Federal Court of Appeal has overturned a lower court decision, giving Ottawa the power to keep its ban on single-use plastics in place.
The Federal Court of Appeal has overturned a lower court decision, giving Ottawa the power to keep its ban on single-use plastics in place.
Ottawa wins Federal Court appeal allowing single-use plastics ban to stand
The federal government scored a win at the Federal Court of Appeal on Friday, which upheld its 2021 decision to list “plastic manufactured items” as toxic, and ultimately led to a ban on several types...
www.ctvnews.ca
Ottawa wins Federal Court appeal allowing single-use plastics ban to stand
www.ctvnews.ca/sci-tech/art...
#singleuseplastics
www.ctvnews.ca/sci-tech/art...
#singleuseplastics
I’m not sure where I’m gonna be able to shovel another 35 cm of snow ❄️ this week?
Microplastic Pollution: Advancements in Mitigation, Policy Challenges, and Future Directions - Current Microbiology
Microplastic (MPs) pollution has emerged as a significant environmental concern globally, posing threats to ecosystems, human health, and biodiversity. Prior reviews treat biological, engineering, and...
link.springer.com
Microplastic Pollution: Advancements in Mitigation, Policy Challenges, and Future Directions
link.springer.com/article/10.1...
#Microplastic
#PlasticPollution
link.springer.com/article/10.1...
#Microplastic
#PlasticPollution
From micro to macro: legal tools for combating plastic pollution at national, EU, and international levels - Environmental Sciences Europe
Plastic pollution has emerged as one of the most pressing and multifaceted environmental challenges of the twenty-first century, largely due to its pervasive environmental persistence, ecological impa...
link.springer.com
From micro to macro: legal tools for combating plastic pollution at national, EU, and international levels
link.springer.com/article/10.1...
#plasticpollution
#Microplastics
#BaselConvention
#EU
link.springer.com/article/10.1...
#plasticpollution
#Microplastics
#BaselConvention
#EU
Microplastic Pollution and Ecological Risk in a Vietnamese River: A Case Study from the Bach Hac Confluence, Phu Tho Province - Water, Air, & Soil Pollution
Microplastic pollution has become a significant global environmental concern, affecting aquatic ecosystems worldwide, particularly those in inland waters. River confluences are especially important st...
link.springer.com
#Microplastic Pollution and Ecological Risk in a Vietnamese River: A Case Study from the Bach Hac Confluence, Phu Tho Province
link.springer.com/article/10.1...
link.springer.com/article/10.1...
Early determinants of packaging waste recovery under Iceland's 2023 EPR reform: Evidence from Grey Relational and econometric analysis
This study examines the early effects of Iceland's 2023 extended producer responsibility (EPR) reform for packaging waste, one of the first nationwide…
www.sciencedirect.com
Early determinants of packaging waste recovery under Iceland's 2023 EPR reform: Evidence from Grey Relational and econometric analysis
www.sciencedirect.com/science/arti...
#Extendedproducerresponsibility
#EPR
#Packagingwaste
#recycling
#Iceland
#Wastemanagement
www.sciencedirect.com/science/arti...
#Extendedproducerresponsibility
#EPR
#Packagingwaste
#recycling
#Iceland
#Wastemanagement
Effects of dietary nanoplastics exposure on muscle quality, immunity, antioxidative capacity and digestive gland function of abalone (Haliotis discus hannai)
The increasing accumulation of nanoplastics (NPs) in marine environment poses significant ecological and economic risks, particularly for commercially…
www.sciencedirect.com
Effects of dietary #nanoplastics exposure on muscle quality, immunity, antioxidative capacity and digestive gland function of abalone (Haliotis discus hannai)
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Evaluating Hydrogen Technology Adoption in Airlines: A Game Theory Approach to Achieving Carbon Neutrality in Airlines by 2050
This paper examines how hydrogen technologies can be strategically implemented in the air transportation industry to enable the world to meet the goal…
www.sciencedirect.com
Evaluating Hydrogen Technology Adoption in Airlines: A Game Theory Approach to Achieving Carbon Neutrality in Airlines by 2050
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Global health impacts of plastics systems could double by 2040 | LSHTM
The adverse health impacts associated with emissions across the full life cycle of plastics could double by 2040 unless immediate action is taken, new research suggests.The research identified health
www.lshtm.ac.uk
Global health impacts of plastics systems could double by 2040 www.lshtm.ac.uk/newsevents/n...
#plasticpollution
#plasticslifecycle
#humanhealth
#globalwarming
#airpollution
#toxicchemicals
#plasticpollution
#plasticslifecycle
#humanhealth
#globalwarming
#airpollution
#toxicchemicals
Reposted by Elizabeth Saunders, Richard S.J. Tol, Michael Wagner , and 40 more Elizabeth Saunders, Richard S.J. Tol, Michael Wagner, Tony R. Walker, Peter Thorne, Brendan Nyhan, Joshua S. Weitz, Steve Peers, Andrew Scott, Robert W. Wallace, David H. Kaye, Valerie P. Hans, Juliet Lodge, Nick Pearce, Heike Delitz, Michelle Everson, Ameet Sarpatwari, Laurent Pech, Robert C. Richards, Alan Richardson, David R. Miller, Holger Nehring, Tom Griffin, Beatriz Gallardo Paúls, Juan Moreno‐Cruz, Craig R. McClain, Lee Jones, Ian Loader, Christian Fisch, Jos Akkermans, Sharon Erickson Nepstad, Serge Slama, Christina Pagel, Claire Sécail, Karine Espineira, Olúfẹ́mi Táíwò, Dan Immergluck, Roos Vonk, Dunlap, Stuart Shapiro, David Darmofal, Deborah M. Kolb, Kristina McElheran
The killing of Alex Pretti is a heartbreaking tragedy. It should also be a wake-up call to every American, regardless of party, that many of our core values as a nation are increasingly under assault.
Federal agents shoot person in Minnesota, governor says
Minneapolis officials said they are investigating.
www.nbcnews.com
Another Gestapo murder in Minnesota. Six agents wrestle someone to the ground and then shoot him in the back
www.nbcnews.com/news/us-news...
www.nbcnews.com/news/us-news...
Multiple contaminant ecological risk evaluation in small craft harbour sediments in Nova Scotia, Canada
Small craft harbours are vital for the fishing industry and have high socioeconomic and cultural importance for surrounding communities. Presence of p…
www.sciencedirect.com
Multiple contaminant ecological risk evaluation in small craft harbour sediments in Nova Scotia, Canada 🇨🇦
#ecologicalrisk
#sediments
#contaminants
www.sciencedirect.com/science/arti...
#ecologicalrisk
#sediments
#contaminants
www.sciencedirect.com/science/arti...
I have a lot of alternate words to describe him, but if I posted them here, I might get banned from this platform.
His comments are ‘deeply disrespectful’ towards British troops. www.bbc.com/news/article...
Trump's claim Nato troops avoided Afghanistan front line sparks outrage in UK
The US president says Nato troops stayed "a little off the front lines" - despite 457 UK military deaths in the conflict.
www.bbc.com
Disrespectful comments from draft dodger #Trump.