Almost no information exists concerning the survival time of affected dogs, if they were treated and which treatment had been chosen and at last their cause of death. (veterinaryendocrinology.org)
Many uncertainties exist concerning the future of energy demand and supply, including potential actions that societies may take to address the risks of climate change. (corporate.exxonmobil.com)
A gap similar to the one between younger and older adults about evolution exists concerning the evidence for, seriousness of, and human role in global warming (pdf). (scientificamerican.com)