This chapter delves into the critical importance of global collaboration in addressing climate change, with a focus on equity and justice as fundamental principles in climate governance. It examines the role of international agreements, such as the Paris Agreement, in fostering collective action and the challenges of ensuring fair and equitable distribution of responsibilities among nations. The chapter explores the intersections of climate justice, human rights, and sustainable development, highlighting the need to prioritize vulnerable communities disproportionately affected by climate impacts. Through case studies and analysis, this chapter emphasizes the significance of collaborative efforts to bridge the equity gaps and ensure that climate policies are inclusive, just, and effective. It also discusses the imperative of ensuring that global climate actions contribute to social justice and sustainable development for all, particularly marginalized and low-income populations.