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Background: According to the Intergovernmental Panel on Climate Change, Greenhouse Gas emissions must decline by around 45% by 2030 and reach net zero in 2050. Biofuels, solar, and wind energy are obvious choices for reduction of the 75% of emissions from the energy sector (including transportation), but making reductions in the remaining 25%, the food sector, is more of a challenge. One way is to change our diets to increase low-carbon food alternatives. Objective: We chose to examine the impact of powdered baby formula products. The aim of this study is to compute a minimal estimate of green house gas (GHG) emissions for powdered baby formula products sold in North America comprising Canada, Mexico, and the United States. Results: We found that in 2016, the North America Greenhouse Gas emissions (in tons of CO 2 eq.) attributable to sales of powdered formula for Canada was 70,256, for Mexico, 435,820, and for the United States, 655,956. The North American per capita emissions based on infants and toddlers from birth to 36 months of age in 2016 was, at a minimum, 59.06 kg of CO 2 eq. Conclusion: The environmental and Greenhouse Gas impact of powdered baby formula, and related hazards arising from climate change, can be a relevant factor for health care providers in their advice to families on infant feeding. This study makes an innovative and potentially useful addition to the emerging evidence on this issue and should be considered when developing and funding infant and young child feeding policies and supportive programs.

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Childhood obesity is a global public health issue. As the prevalence of childhood obesity continues to rise, identification of potential interventions by public health policy makers, and health care providers is imperative. Breastfeeding, the most optimal method of infant feeding, has been demonstrated to protect against childhood obesity. Lactation support providers (LSPs) play a key role in providing education, care, and support to families considering a feeding choice. Access to professional lactation care increases breastfeeding initiation, exclusivity, and duration rates, regardless of the credential that the LSP holds. The aims of the current study were to examine the relationship between childhood obesity and breastfeeding rates in Pennsylvania (PA) counties; to examine the relationship between geographic access to professional LSPs in PA counties and breastfeeding rates; and to examine the relationship between geographic access to professional LSPs and childhood obesity in PA counties. Data were collected on 617 professional LSPs in 67 PA counties. There are 608 Certified Lactation Counselors (CLCs) and 144 International Board Certified Lactation Consultants (IBCLCs) in PA. County-level breastfeeding rates, childhood obesity rates, and the number of CLCs and IBCLCs were tested for significance at the p < 0.01 level using a two-tailed significance test and bivariate Pearson's correlation. The results show a significant, inverse relationship between breastfeeding rates and childhood obesity prevalence at the county level, p < 0.01. There is also a significant, inverse relationship between the number of CLCs and the number of all professional LSPs and childhood obesity rates at the county level, p < 0.01. Thus, the availability of breastfeeding support is significantly related to breastfeeding rates and inversely related to childhood obesity rates across Pennsylvania.