Stephen H. Schneider

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Over the past 100 years, the global average temperature has increased by approximately 0.6 degrees C and is projected to continue to rise at a rapid rate. Although species have responded to climatic changes throughout their evolutionary history, a primary concern for wild species and their ecosystems is this rapid rate of change. We gathered information on(More)
The magnitude of future climate change depends substantially on the greenhouse gas emission pathways we choose. Here we explore the implications of the highest and lowest Intergovernmental Panel on Climate Change emissions pathways for climate change and associated impacts in California. Based on climate projections from two state-of-the-art climate models(More)
Ž . This paper investigates the significance of induced technological change ITC for the attractiveness of CO abatement policies. We use analytical and numerical general equilib2 rium models in which technological change results from profit-maximizing investments in R&D. We show that carbon abatement policies have very different impacts on R&D across(More)
Integrated studies of coupled human and natural systems reveal new and complex patterns and processes not evident when studied by social or natural scientists separately. Synthesis of six case studies from around the world shows that couplings between human and natural systems vary across space, time, and organizational units. They also exhibit nonlinear(More)
contributes to both of these disease states. The hyperglycemic, hyperinsulinemic, insulin-resistant state is proinflammatory and is very different than the euglycemic, hyperinsulinemic state achieved with intensive insulin therapy. Insulin itself possesses anti-inflammatory properties (2). Intranuclear levels of nuclear factor , important in cancer(More)
Limitations imposed on species ranges by the climatic, ecological, and physiological effects of elevation are important determinants of extinction risk. We modeled the effects of elevational limits on the extinction risk of landbirds, 87% of all bird species. Elevational limitation of range size explained 97% of the variation in the probability of being in(More)
Description: In 2001, the Intergovernmental Panel on Climate Change (IPCC) released its Third Assessment Report (TAR), which stated that the authors expected that the climate would warm between 1.4o to 5.8o C by 2100. Based on these temperature forecasts, the IPCC has produced a list of likely effects of climate change, some of which are positive (e.g.,(More)
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Climate policy decisions are being made despite layers of uncertainty. Such decisions directly influence the potential for "dangerous anthropogenic interference with the climate system." We mapped a metric for this concept, based on Intergovernmental Panel on Climate Change assessment of climate impacts, onto probability distributions of future climate(More)