This article examines the uptake of social justice and climate change as focal issues among the largest U.S. environmental nonprofits. We use 2016 Internal Revenue Service (IRS) filings to identify 5,413 large environmental nonprofits of which 8% attend to issues of climate and 10% to issues of social justice. Larger organizations are more likely to attend to issues of climate change and social justice, as are groups founded more recently. Latent Dirichlet allocation (LDA) topic modeling of organizational mission statements and descriptions of major activities is used to assign groups to six distinct issue categories. Results highlight the divide between wildlife groups that are decidedly unlikely to attend to issues of either climate or justice, and the rest of the national environmental movement. Energy and natural resource groups, while strongly vested in climate issues, rarely attend to social justice. These findings have clear implications for climate and justice advocates seeking change in the environmental advocacy sector.