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The overall purpose of this paper is to address food security and poverty reduction in the face of climate change and energy security. It attempts to bring to the fore food security threats associated with climate change in the food production and supply environments, as well as the broader livelihood and ecological changes that will occur as a consequence. Recognizing the different geographical regions around the Pacific and how climate change would impact on their food security situations opens up new opportunities for understanding why changes happen. An attempt will also be made to address how Pacific Islanders can be assisted to enhance their capacity to reduce risk and make optimal use of current climate resources in order to capitalize on benefits that may arise due to the changing climate. In doing so, it will attempt to highlight some of the current impacts of climate change reported by Pacific Island Countries in their national communications to the UNFCCC and their National Adaptation Programmes of Action (NAPAs), and what attempts have been made to seriously address these issues. It is recognized that climate change is an additional stress that needs to be managed by the agricultural and broader development communities but it should also be emphasized that climate change will further exacerbate current development stresses that are already plaguing the agriculture community and national governments. This paper will try to draw out these links and discuss ways to proactively address the situation now rather then later.

Observational records and climate projections provide abundant evidence that freshwater resources are vulnerable and have the potential to be strongly impacted by climate change, with wide-ranging consequences for human societies and ecosystems. Observed warming over several decades has been linked to changes in the large-scale hydrological cycle such as: increasing atmospheric water vapour content; changing precipitation patterns, intensity and extremes; reduced snow cover and widespread melting of ice; and changes in soil moisture and runoff. Precipitation changes show substantial spatial and inter-decadal variability. Over the 20th century, precipitation has mostly increased over land in high northern latitudes, while decreases have dominated from 10°S to 30°N since the 1970s. The frequency of heavy precipitation events (or proportion of total rainfall from heavy falls) has increased over most areas (likely). Globally, the area of land classified as very dry has more than doubled since the 1970s (likely). There have been significant decreases in water storage in mountain glaciers and Northern Hemisphere snow cover. Shifts in the amplitude and timing of runoff in glacier- and snowmelt-fed rivers, and in ice-related phenomena in rivers and lakes, have been observed (high confidence).

The goal of Article II of the United Nations Framework Convention on Climate Change (UNFCCC) is to ensure stabilization of greenhouse gas concentrations in the atmosphere at a level that would prevent "dangerous anthropogenic interference with the climate system".