b'The Carnegie Energy Innovation Project28The Carnegie Energy Innovation Group includes (front row on ground, from left): Nienke Besbrugge, Emmie Le Roy, and Tyler Ruggles; (second row, from left): Manoela Romano de Orte, Elizabeth Susskind, Dan Tong, Candise Henry, Nate Lewis, Ken Caldeira, and Lei Duan; (back row, from left): David Farnham, David Koweek, Enrico Antonini, Yixuan Zheng, Steve Davis, and Rebecca Peer. Image courtesy Candise Henry, Carnegie Institution for ScienceL ooking to produce a better future, inGlobal ecology is the relatively new science that 2017 the Ken Caldeira lab embarked onstudies how humans interact with the planets the Carnegie Energy Innovation projectnatural systems. One of the key human interactions to produce fundamental scientific knowledge tois through our energy systemwe rely on nature for help inform societal decisions about our energyour energy, whether its from coal, oil and gas, or systems. The goal is to facilitate a transition to awind and sunlight. sensible, near-zero emission energy system. The work includes evaluating the efficacy and potentialOne example of the Carnegie Energy Innovation unintended consequences of proposed solutions toanalysis concerns the geophysics of wind power. climate and energy problems.Individual wind turbines are well-known to produce a wind shadow in their wake. Recently, through the Humans have transformed our planet. The world usedprojects modeling, it was found that wind farmsto be largely dominated by nature, but now humanslarge collections of wind turbinesalso leave a wind dominate by transforming the land with agriculture andshadow that can be detected more than 100 miles other development, the atmosphere with emissions,away. Enrico Antonini, a Carnegie postdoctoral fellow, and the oceans with pollution and overfishing. is trying to understand the physics of atmospheric'