Women-led climate action and nature-based solutions (NbS) represent transformative pathways for climate mitigation and adaptation, both demanding a systems-wide reassessment of how to manage resources responsibly. A growing body of evidence shows that women-led solutions, and particularly NbS, are key to meeting the 2015 Paris Agreement targets, along with many of the United Nations Sustainable Development Goals (SDGs) by 2030. Women smallholder farmers—when able to access the same resources such as time, financing, land tenure, and extension support as men—are able to boost agricultural yields by 20 to 30 percent, leading to a 2.5 to 5 percent increase in total agricultural output, and a projected 2.1-gigaton reduction in green house gas (GHG) emissions by 2050. Moreover, Indigenous women and their communities inhabit lands containing 80 percent of the world’s remaining biodiversity and steward an estimated one third of the world’s most important ecosystems for climate mitigation. Meanwhile, women-led innovative technologies, such as Eco Wave Power and Origen Air, are creating new climate-mitigation and -adaptation opportunities.