The California Institute of Technology (Caltech) has been a major player in researching energy and environmental justice for decades. Their comprehensive research programs tackle the root causes of environmental inequity, focusing on the intersection of socio-economic factors and the development of sustainable technologies. Caltech scientists are also pushing boundaries in advanced energy solutions, exploring options that are both environmentally friendly and financially accessible to marginalized communities. By leveraging their world-class facilities and multidisciplinary expertise, Caltech demonstrates an unwavering commitment to promoting cleaner energy and challenging the environmental disparities plaguing our societies.