... 2005 by Taylor & Francis Group Drought, Climate Change, and Vulnerability 221 1969, dramatic in 1 974 , 1 978 , and 1982, and intermediate in19 87 and 1992, and they suggest that unspecified factors ... case of drought. In the United States at least, institu-tions that regulate on the one hand and design and dissemi-nate new technologies on the other hand are the principalpathways for drought ... disciplines (and boundaries between them) exist todeepen understanding of issues using specific and agreed-upon tools, yet interdisciplinary research is needed to under-stand and solve problems...