Evidence
Every claim on this site, and the study behind it
Search peer-reviewed studies and institutional reports by topic, audience, evidence strength and year.
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- Evidence: High Institutional report
Canada’s single-use plastics ban survives court challenge
6 categories of single-use plastic banned nationally
The Federal Court of Appeal upheld the toxic listing of plastic manufactured items on 30 January 2026, so Canada's single-use plastic bans remain in force.
Federal Court of Appeal of Canada, 2026 Verified 26 Sep 2026
- Evidence: Medium Cross-sectional
Plastic detected in almost every human brain sample, at much lower levels
100% of healthy brain samples contained plastic particles
Micro- and nanoplastics were found in 100% of healthy and 99.4% of diseased brain samples; healthy tissue median 50.3 µg/g.
Li R. et al., 2026 Verified 22 Sep 2026
- Evidence: Medium Institutional report
Plastic bottles and caps overtake cigarette butts as the top beach litter
1,338,712 plastic bottles collected in one year's cleanup
Plastic bottles (1.34 million) and caps (886,000) were the most collected items in the 2025 cleanup, overtaking cigarette butts.
Ocean Conservancy, 2026 Verified 22 Sep 2026
- Evidence: High Institutional report
Global plastics treaty: still no agreement, next formal round March 2027
0 treaties agreed after 4 years and 7 sessions
No treaty has been agreed; talks collapsed in Busan (2024) and Geneva (2025) over production caps, chemicals, finance and voting; the next session of the Intergovernmental Negotiating Committee (INC-5.4) is scheduled for March 2027.
UN Environment Programme (UNEP) Intergovernmental Negotiating Committee on Plastic Pollution, 2026 Verified 22 Sep 2026
- Evidence: Low Institutional report
Starbucks’ “widely recyclable” cups: none tracked to a recycling facility
0 of 36 tracked cups reached a recycling facility
None of 36 tracked Starbucks cold cups placed in in-store recycling bins reached a recycling facility; most went to landfill or incineration.
Russianoff N., Beyond Plastics, 2026 Verified 23 Sep 2026
- Evidence: Low Narrative review
What we know about plastic and dogs
Microplastics in 84% of UK pet food brands tested (2026 study, as cited)
Dogs are exposed to plastic and its chemicals through chew toys, food and packaging, household dust and the outdoors; early studies find microplastics in pet food, faeces and dog tissue.
Russianoff N., Beyond Plastics, 2026 Verified 23 Sep 2026
- Evidence: Medium Institutional report
7 US states have packaging extended producer responsibility (EPR) laws; California bans plastic checkout bags
7 US states with packaging EPR laws
Seven US states have packaging EPR laws; California bans all plastic checkout bags from 1 January 2026; no federal plastics law exists.
Assent / Packaging Dive (industry trackers), 2026 Verified 22 Sep 2026
- Evidence: High Institutional report
England’s plastic bag charge cut single-use bag sales at the main supermarkets by 98%
98% fewer single-use bags at the main supermarkets since 2014
The 94 reporting retailers sold 399 million single-use bags in 2025/26, down 9% year on year and 81% since 2016 to 2017; the main 7 supermarkets sold 126 million, down 98% since 2014.
Department for Environment, Food & Rural Affairs (Defra), 2026 Verified 24 Sep 2026
- Evidence: Medium Institutional report
Six of Australia’s eight states and territories ban a core set of single-use plastics
6 of 8 states and territories ban straws, cutlery and polystyrene food containers
Six of eight Australian states and territories ban single-use plastic straws, cutlery, plates and EPS food containers; Tasmania has proposed bans and the Northern Territory has committed to them. Western Australia and South Australia added further items in 2025.
Australian Marine Conservation Society (tracker), 2026 Verified 24 Sep 2026
See also: the headline numbers and how they are changing on Statistics.
How to read the ratings
- HighMeta-analyses, systematic reviews, large cohorts, or findings replicated by independent teams.
- MediumA single well-designed study, or an institutional report built on published data.
- LowSmall samples, pilot studies, models with wide uncertainty, or industry-funded work without independent replication.
- ContestedPublished but seriously disputed, retracted, or later contradicted. We keep these so you can see why a popular claim is shaky.