This guide includes overviews of climate science, health impacts of climate change, how health equity fits into the equation and climates effect on public health program areas and functions. It discusses what local health departments can do to integrate climate change and health equity into assessment and surveillance, intersectoral collaboration, community engagement and education, climate and health communications, preparedness and more. Classification keywords: assessment, environmental health, vulnerable populations, strategies, strategic planning, surveillance, evidence-based public health, health promotion and health education, active living, air quality, community design, land use, planning, transportation planning, mental health, clinical services, policies, general communication, messaging, adaptation, mitigation, risk assessment, water, air, environmental justice, health equity and social justice, social justice, environmental health in all policies.