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Although biotic responses to contemporary climate change are spatially pervasive and often reflect synergies between climate and other ecological disturbances, the relative importance of climatic factors versus habitat extent for species persistence remains poorly understood. To address this shortcoming, we performed surveys for American pikas (Ochotona princeps) at > 910 locations in 3 geographic regions of western North America during 2014 and 2015, complementing earlier modern (1994-2013) and historical surveys. We sought to compare extirpation rates and the relative importance of climatic factors versus habitat area for pikas in a mainland-versus-islands framework. In each region, we found widespread evidence of distributional losslocal extirpations, upslope retractions, and encounter of only old sign. Locally comprehensive surveys suggest extirpation of O. princeps from 5 of 9 new sites from the hydrographic Great Basin and from 11 of 29 sites in northeastern California. Although American pikas were recorded as recently as 2011 in Zion National Park and in 2012 from Cedar Breaks National Monument in Utah, O. princeps now appears extirpated from all reported localities in both park units. Multiple logistic regressions for each region suggested that both temperature-related and water-balance-related variables estimated from DAYMET strongly explained pika persistence at sites in the Great Basin and in Utah but not in the Sierra-Cascade "mainland" portion of northeastern California. Conversely, talus-habitat area did not predict American pika persistence in the Great Basin or Utah but strongly predicted persistence in the Sierra-Cascade mainland. These results not only add new areas to our understanding of

Given the slow policy response by governments, climate leadership by other institutions has become an essential part of maintaining policy momentum, driving innovation, and fostering social dialogue. Despite growth in carbon pricing in government and the private sector, our review suggests low, but growing, adoption of internal carbon prices (ICPs) by higher education institutions (HEIs), who may be uniquely suited to implement and refine these tools. We analyze the range of ICP tools in use by eleven U.S. HEIs and discuss tradeoffs. Our analysis identifies several reasons why proxy carbon prices may be especially well-suited to decisions (especially at the system-scale) around carbon neutrality at a wide range of institutions. Using a unique dataset covering 10 years of real-world analysis with a proxy carbon price, we analyze the interaction of ICPs with life cycle cost analysis to start to identify when and how internal carbon pricing will be most likely to shift decisions. We discuss how schools and other institutions can collaborate and experiment with these tools to help drive good climate decision-making and inform climate policy at larger scales.

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Purpose Sustainability performance in higher education is often evaluated at a generalized large scale. It remains unknown to what extent campus efforts address regional sustainability needs. This study begins to address this gap by evaluating trends in performance through the lens of regional environmental characteristics. Design/methodology/approach Four sustainability metrics across 300 North American institutions are analyzed between 2005 and 2014. The study applies two established regional frameworks to group and assess the institutions: Commission on Environmental Cooperation Ecoregions and WaterStat (water scarcity status). Standard t-tests were used to assess significant differences between the groupings of institutions as compared to the North American study population as a whole. Findings Results indicate that all institutions perform statistically uniformly for most variables when grouped at the broadest (Level I) ecoregional scale. One exception is the Marine West Coast Forest ecoregion where institutions outperformed the North American average for several variables. Only when institutions are grouped at a smaller scale of (Level III) ecoregions do the majority of significant performance patterns emerge. Research limitations/implications This paper demonstrates an ecoregions-based analytical approach to evaluating sustainability performance that contrasts with common evaluation methods in the implementation field. This research also identifies a gap in the literature explicitly linking ecological sub-regions with their associated environmental challenges and identifies next research steps in developing defensible regional targets for applied sustainability efforts. Practical implications The practical implications of this research include the following: substantive changes to methodologies for rating sustainability leadership and performance, a framework that incentivizes institutions to frame sustainability efforts in terms of collaborative or collective impact, a framework within which institutions can meaningfully prioritize efforts, and a potential shift toward regional impact metrics rather than those focused solely on campus-based or generalized targets. Originality/value The authors believe this to be the first effort to analyze North American higher education sustainability performance using regional frameworks.