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School food systems play a role in the wider food system, but there is a scarcity of literature exploring interventions that aim to improve the environmental sustainability of school food systems. The present review aimed to understand and describe the types of interventions that have previously been explored to strengthen the sustainability of school food systems along with their impact. We applied a scoping review methodology guided by Arksey and O'Malley, which included a review of the online database Scopus and the grey literature. Information relating to intervention design, study population, evaluation method and impact were extracted. In total, 6016 records were screened for eligibility, 24 of which were eligible for inclusion. The most common types of interventions were school lunch menus designed to be more sustainable; school food waste reduction; sustainable food system education using school gardens; and dietary interventions with added environmental components. This review highlights a range of interventions which could positively influence the environmental sustainability of school food systems. Further research is needed to explore the effectiveness of such interventions.

South Africa has used intermittent alcohol prohibitions and restrictions as a strategy to relieve hospitals of alcohol-related trauma cases and spare services for COVID-19 caseloads. Alcohol regulation is highly contested and involves a diverse range of actors who influence policies to align with their interests. This study sought to examine the strategies used by these actors to shape the COVID-19 related alcohol regulation in South Africa as presented by online news media. We found that the voice of pro-regulation actors is smaller and fragmented compared to opponents of the regulation as each actor seeks to advance their own interests. Despite the regulations initially being framed as a COVID-19 public health measure, pro-regulation government ministries, such as police and transport, perceive the regulations as a way of reducing existing (pre-pandemic) alcohol-related harm, such as crime, road-traffic injuries, and gender-based violence. The pre-existing failures in the alcohol regulatory environment and the current policy momentum created by COVID-19 could present an opportunity to retain components of the new laws and improve alcohol regulation in South Africa. However, there is a dominant and cohesive alcohol industry voice that strongly opposes the regulations, citing economic impacts, illicit trade and lack of evidence on the positive effects of the alcohol bans. Strategies employed by industry include lobbying, framing, and litigation. The regulations implemented under the guise of COVID-19 prevention have presented valuable lessons for alcohol regulation more generally. However, whether these regulations translate to sustainable policy changes will depend upon how and if the strong industry voice is countered.

Alternative nicotine products like e-cigarettes could help achieve an end to the epidemic of ill health and death caused by smoking. However, in-depth information about their use is often limited. Our study investigated patterns of use of e-cigarettes and attitudes and beliefs among smokers and ex-smokers in New Zealand (NZ), a country with an 'endgame' goal for smoked tobacco. Data came from smokers and ex-smokers in Waves 1 and 2 of the International Tobacco Control (ITC) NZ Survey (Wave 1 August 2016-April 2017, 1155 participants; Wave 2, June-December 2018, 1020 participants). Trial, current and daily use of e-cigarettes was common: daily use was 7.9% among smokers and 22.6% among ex-smokers in Wave 2, and increased between surveys. Use was commonest among 18-24 years and ex-smokers, but was similar among Māori and non-Māori participants, and by socio-economic status. Most participants used e-cigarettes to help them quit or reduce their smoking. The most common motivating factor for use was cost and the most common barrier to use cited was that e-cigarettes were less satisfying than smoking. The findings could inform developing interventions in order to maximise the contribution of e-cigarettes to achieving an equitable smoke-free Aotearoa, and to minimise any potential adverse impacts., Competing Interests: GTF has served as an expert witness on behalf of governments in litigation involving the tobacco industry. All other authors have no conflicts of interest to declare. None of the authors receives any funding from, hold any shares or has any other commercial interest in the tobacco or e-cigarette industry.