We are especially grateful to Walter Short who first envisioned and developed the WinDS and ReEDS models. We also thank the NREL analysts who provided input on the technology costs, assumptions, and methodologies in ReEDS, including
AcknowledgmentsWe gratefully acknowledge the many people whose efforts contributed to this report. The ReEDS modeling and analysis team at the National Renewable Energy Laboratory (NREL) was active in developing and testing the ReEDS model v.2018. We also acknowledge the vast number of current and past NREL employees on and beyond the ReEDS team who have participated in data and model development, testing, and analysis. We are especially grateful to Walter Short who first envisioned and developed the Wind Deployment System (WinDS) and ReEDS models. We thank for their comments and improvements on successive versions of this report. Finally, we are grateful to all those who helped sponsor ReEDS model development and analysis, particularly supporters from the U.S. Department of Energy (DOE) but also others who have funded our work over the years.
We are especially grateful to Walter Short who first envisioned and developed the WinDS and ReEDS models. We also thank the NREL analysts who provided input on the technology costs, assumptions, and methodologies in ReEDS, including
The broader global community is navigating evolving climate risks, rapid energy transitions, and the growing recognition that sustainable future pathways will require fundamental transformations in our collective management of socio-environmental systems (de Vos et al.
Since two müllerian defects, the septate and bicornuate uteri, are no longer repaired by means of the same operative approach, an accurate preoperative diagnosis of these anomalies is now critical. A septum can be removed by means of hysteroscopic metroplasty. However, repair of a bicornuate uterus still requires abdominal surgery. Hysterosalpingography (HSG) has been the primary diagnostic modality for müllerian defects. On the basis of 63 patients, HSG findings alone, as interpreted by the radiologist, had a diagnostic accuracy of 55%. When this was supplemented with a gynecologic evaluation, the diagnostic accuracy improved to only 62.5%. However, when a diagnostic protocol that include ultrasound (US) examination with HSG was used for evaluating müllerian defects, the diagnostic accuracy improved to 90%, with all errors being noncritical. Therefore, it is concluded that HSG alone is not adequate to make the distinction between a septate and a bicornuate uterus unless the angle of divergence of two straight uterine cavities is 75 degrees or less, indicating a septate uterus. Luteal-phase US is frequently necessary to distinguish between these anomalies or to diagnose them in combination.
We estimate the environmental and public health benefits that may be realized if solar energy cost reductions continue until solar power is competitive across the U.S. without subsidies. Specifically, we model, from 2015-2050, solar power-induced reductions to greenhouse gas (GHG) emissions, air pollutant emissions, and water usage. To find the incremental benefits of new solar deployment, we compare the difference between two scenarios, one where solar costs have fallen such that solar supplies 14% of the nation's electricity by 2030 and 27% by 2050, and a baseline scenario in which no solar is added after 2014. We monetize benefits, where credible methods exist to do so. We find that under these scenarios, solar power reduces GHG and air pollutants by ~10%, from 2015-2050, providing
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