agency means any executive department, Government corporation, Government-controlled corporation, or other establishment in the executive branch of the Government (including the Executive Office of the President), or any independent regulatory agency. (10) Food insecurity The term food insecurity means a lack of consistent access to food. (11) Most vulnerable communities and populations The term most vulnerable communities and populations means communities and populations, including women, impoverished communities, children, people with disabilities, and indigenous peoples, who are at risk of substantial adverse impacts of climate change and have limited capacity to respond to such impacts. (12) Poverty The term poverty means an income level and living standard insufficient to meet basic needs. 4. Statement of policy It is the policy of the United States, in partnership with affected countries, donor country governments, international financial institutions, international nongovernmental organizations, and civil society groups, especially those led by women, to combat the leading causes of climate change, mitigate the effects of climate change on women and girls, and elevate the participation of women in policy, program, and community decision-making processes with respect to climate change, by— (1) establishing the Federal Interagency Working Group on Women and Climate Change, mission of which is to prevent and respond to the effects of climate change on women globally