In a sea of negotiators, lobbyists, and policy experts at the UN Climate Change Conference, Lisa Sullivan stands out for saying it as it is: “This is no longer an environmental problem. It’s a human problem.”Sullivan, a lay missioner with the Maryknoll Office for Global Concerns (OGC) engaged in global advocacy and education, is attending COP30 in Belem, Brazil.Her journey with the Maryknoll family spans over 40 years, including more than two decades in the parched fields of Venezuela and El Salvador.Now based in Washington, D.C., her work is spread across Africa, Asia, and Latin America, addressing the needs of communities that bear the brunt of climate change despite contributing little to its causes.