greenhouse effects

Welcome to the first post in my new National Geographic ScienceBlogs column “Significant Figures.”  I look forward to sharing my thoughts with you on a wide range of environmental science-related issues, data, and people, and to a productive and constructive interaction. My background? I’m an environmental scientist by training and inclination, with experience in engineering, hydrology, climatology, and interdisciplinary analysis. My research and writing have, for over thirty years, focused on water resources, climate dynamics and change, energy, risk assessment, and the synthesis and…