A Planetary Perspective of Earth Systems Sustainability: Reframing Climate Change Implications from Agricultural Adaptations in Maya Milpa Farming Communities in Belize

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In a case review of climate-smart agriculture practices in Mayan milpa farming communities in Belize (Central America), this pa- per reframes how small-scale agriculture practices can influence larger Earth systems sustainability. In what has been a sustainable form of farming for hundreds of years, the milpa has become less sustainable due to global climate change, forest loss, soil degradation, population growth, and other factors. This article reviews the findings of a 2020 study of positive socio-ecological systems (SES) influences —environmental, economic, socio-cultural, and technological— from climate-smart practices on local resource sustainability. SES considers several multidisciplinary linkages of human and ecological factors in the agroecological system. SES considers several multidisciplinary linkages of human and ecological factors in the agroecological system. SES influences from small-scale climate-smart agriculture (CSA) practices can have both micro-scale impacts as well as macro-scale implications for SES sustainability and food security. Understanding the implications of small-scale farming on larger Earth systems can inform global climate change mitigations and government policy and action needed to promote CSA practices. This is important for the resilience of vulnerable populations such as Belizean milpa farming communities and others who rely directly on resource sustainability for their food and livelihood security.