There are numerous places to publish academic articles on anthropology and climate change. Many general journals will accept articles on this theme. More specialised journals include:
Environment and Society: advances in research, which is an annual review journal published by Berghahn.
Journal of Ecological Anthropology published by the University of Florida.
Nature and Culture, published by Berghahn.
The CAFE Journal, Culture – Agriculture, Food and Environment, published by the Culture and Agriculture section of the American Anthropological Association.