Pages (20 results)
TopRenewable & Appropriate Energy Laboratory (RAEL)
RAEL is engaged in projects to develop the science, technology, policy needs and to foster engagements that explore the future of energy, specifically the transition to a low-cabon, environmentally, socially, and economically sustainable energy system.
Analysis & Control (EMAC) Energy Modeling
The Energy Modeling, Analysis and Control (EMAC) group addresses the engineering and techno-economic challenges to decarbonizing electric power systems. Our work ranges from applied to theoretical. Much of our work focuses on building new control and optimization frameworks to facilitate the operation of low carbon grids.
Sustainability Summer Minor and Certificate
Make sustainability your work, your future, and your world. The Energy and Resources Group’s Sustainability Minor/Certificate program offers a practical and relevant interdisciplinary approach at the intersection of environmental, economic, ... Continue Reading »
Undergraduate Minor in Energy and Resources
The Minor in Energy and Resources offers undergraduates basic knowledge and skills to address issues arising from the interaction of social, economic, political, technical, and environmental factors shaping our world. ... Continue Reading »
About ERG
Our Mission The mission of the Energy and Resources Group is a sustainable environment and a just society. ERG is a collaborative community of graduate students, core faculty, nearly 200 ... Continue Reading »
Who We Are
A Brief History of ERG For thirty years, the Energy and Resources Group (ERG) at the University of California, Berkeley has provided its outstanding graduate students and exceptional faculty the ... Continue Reading »
Graduate Admissions
The Energy and Resources Group – graduate degrees that make a difference The Energy and Resources Group (ERG) trains interdisciplinary leaders and thinkers who are defining and solving the systemic, ... Continue Reading »
Courses
All Course Offerings Please note: This is a full list of ERG course offerings; not all courses are offered each term. For current course offerings, please refer to the online ... Continue Reading »
Give to ERG
Your donation to ERG provides critical funding and academic opportunities for our graduate students. ERG has a 50-year history of outstanding research, teaching, policy advice and scholar-activism. ERG has researched ... Continue Reading »
Programs
ERG Program Directory The information below is a directory of ERG programs. Please read through and contact us at erggrad@berkeley.edu for graduate program questions and ergdeskb@berkeley.edu for all other questions. ... Continue Reading »
Faculty by Primary Interest
Areas of Interest Climate Change ERG COREDavid AnthoffDavid Anthoff is an environmental economist who studies climate change and environmental policy. He co-develops the integrated assessment model FUND that is used ... Continue Reading »
Concurrent Degree Program (MPP/MA or MPP/MS)
Public Policy & Energy Resources Group Energy and Resources Group (ERG) and the Goldman School of Public Policy (GSPP) offer a concurrent degree program that integrates the strengths of public policy ... Continue Reading »
Master’s Degree Curriculum Requirements (MA or MS)
The purpose of the ERG Master’s program is to educate the next generation of interdisciplinary leaders. Specifically, students are taught the range of methods and subjects they should be able ... Continue Reading »
ERG Economics Lab
The Society, Environment and Economics Lab works on the economics of a wide range of environmental, energy and resource issues. Our work spans theoretical, empirical and numerical modeling approaches. We engage in rigorous academic research and actively participate in current policy debates.
Summer Instructors 2024
The Energy and Resources Group summer instructors understand the complex and interdisciplinary nature of sustainability. All have significant experience teaching and/or professional experience in the subject areas of their courses. ... Continue Reading »
Equity Diversity
Diversity, equity, and inclusion (DEI) at ERG Equity and inclusion are at the heart of our mission to provide education and research for a sustainable and just society. We aspire ... Continue Reading »
Affiliated Faculty
ERG has a small core faculty but a much larger group of affiliated faculty. Affiliated faculty are based in other departments on campus or at the Lawrence Berkeley National Laboratory, ... Continue Reading »
Critical Ruralities Lab
Youjin Chung convenes the Critical Ruralities Lab, housed within the Departments of Energy and Resources Group (ERG) and Environmental Science, Policy, and Management (ESPM) at UC Berkeley. Members of the ... Continue Reading »
Open Positions
Join the ERG Team The Energy and Resources Group is a collaborative community of graduate students, core faculty, nearly 200 affiliated faculty and researchers across the campus, and over 600 ... Continue Reading »
ERG Annual Lecture 2024
The Energy and Resources Group at UC Berkeley has, from its inception a half century ago, educated many of today’s experts and policymakers about the truly interdisciplinary nature of global ... Continue Reading »
Faculty (5 results)
TopPaige Weber
Assistant Professor
Weber is an environmental economist who studies questions in energy, equity, and environmental policy. A primary goal of her research is to understand the determinants and solutions to environmental inequality, ... Continue Reading »
Meg Mills-Novoa
Assistant Professor
Meg Mills-Novoa is a human-environment geographer who researches the enduring impacts of climate change adaptation projects. She is jointly appointed to the Energy and Resources Group and the Department of Environmental Science, Policy, and Management.
- climate change adaptation
- critical development studies
- Deforestation
- Latin America
- participatory mixed methods
- political ecology of global change
- water justice
Youjin Chung
Assistant Professor
Youjin Chung is Assistant Professor of Sustainability and Equity with a joint appointment in the Energy and Resources Group and the Department of Environmental Science, Policy, and Management.
David Anthoff
Associate Professor
David Anthoff is an environmental economist who studies climate change and environmental policy. He co-develops the integrated assessment model FUND that is used widely in academic research and in policy analysis.
Daniel M. Kammen
Professor
Daniel Kammen is the Distinguished Professor of Energy with appointments in the Energy and Resources Group, The Goldman School of Public Policy, and the Department of Nuclear Engineering at the University of California, Berkeley.
- Africa
- Asia
- Energy Access
- Energy for Community Development
- Energy Supply
- Energy Transmission
- Latin America
- Life-cycle Impacts of Transportation
- Low-carbon Energy Systems
- Smart Grid
Students (16 results)
TopAlexandra Grayson
MS
Alexandra (she/her) is a second-year Master of Science candidate in the Energy and Resources Group at the University of California, Berkeley. She is particularly interested in furthering procedural environmental justice ... Continue Reading »
- climate
- Climate justice
- EEEJ
- Environmental Economics
- Ocean Technology and Policy
- renewable energy
- urban planning
Jesse Strecker
MA, MPP
Jesse Strecker is a researcher at the Lawrence Berkeley National Laboratory, a PhD candidate at UC Berkeley’s Energy and Resources Group, and an interdisciplinary political economist. They hold an MPP ... Continue Reading »
- climate
- democracy
- development
- ecological economics
- ecology
- economics
- energy
- environmental justice
- governance
- Heterodox Economics
Sophie Pesek
PhD
Sophie Pesek is a PhD student in the Energy and Resources Group (ERG) at UC Berkeley. She is interested in using causal inference and remote sensing techniques to support vulnerable ... Continue Reading »
Aneesha Manocha
PhD
Aneesha Manocha (she/her) is a PhD student and NSF Graduate Research Fellow at the University of California, Berkeley in the Energy Resources Group. She is particularly interested in developing optimization ... Continue Reading »
Sarah Sarfaty Epstein
MS
Sarah Sarfaty Epstein is an MS student in the Energy and Resources Group interested in on-farm climate adaptation, resilience and mitigation projects from both the ecological and social perspectives. While ... Continue Reading »
Ari Ball-Burack
PhD
Ari Ball-Burack is a first year PhD student in the Energy & Resources Group at the University of California, Berkeley, advised by Dr. Dan Kammen. He studies data and computational ... Continue Reading »
Aaditee Kudrimoti
MS, PhD
Aaditee Kudrimoti is a M.S./Ph.D. student in the Energy and Resources Group. She completed undergraduate degrees from UC Berkeley in Political Science and Public Policy (go bears!). Aaditee is interested ... Continue Reading »
- Agriculture
- citizen science in environmental justice campaigns
- climate
- development
- energy
- Environmental / Climate Equity
- transportation
- water
Jasmine McAdams
MS, PhD
Jasmine is a MS/PhD student at UC Berkeley’s Energy and Resources Group, with a passion for supporting robust and equitable decision-making in climate and energy. Her research interests include developing ... Continue Reading »
Eleanor Adachi
MPP, MS
Eleanor Adachi (she/her) is a Master’s student in both the Energy and Resources Group and the Goldman School of Public Policy at UC Berkeley and a NSF Graduate Research Fellow. ... Continue Reading »
Nica Campbell
MS, PhD
Nica Campbell is an PhD candidate at the Energy and Resources Group. Her research interests include corporate sustainability, environmental justice and policy making mechanisms. At ERG, she explores ways to ... Continue Reading »
- Carbon markets
- Circular Economy
- climate
- economics
- Environmental / Climate Equity
- Net Positive
- sustainable communities
Aaryaman “Sunny” Singhal
MPP, MS
Aaryaman “Sunny” Singhal earned a dual-degree in 2024 from the Energy and Resources Group and the Goldman School of Public Policy at UC-Berkeley. He is interested in water security in ... Continue Reading »
Annelise Gill-Wiehl
MS, PhD
Annelise Gill-Wiehl is currently an NSF Graduate Student Researcher and a Ph.D. Candidate in the Energy & Resources Group at the University of California, Berkeley, co-advised by Dr. Dan Kammen ... Continue Reading »
Julia Longmate
MS, PhD
Julia’s research focuses on the performance and usability of climate model outputs at decision-relevant scales. She received her S.B. in Environmental Engineering from MIT in 2016 where she studied the ... Continue Reading »
Kelsey Alford-Jones
MA
Kelsey is a PhD candidate, focusing on qualitative research spanning the fields of global climate and environmental politics, political ecology, critical development studies, human and Indigenous rights, and environmental conflict. ... Continue Reading »
Jesse Griffin-Carney
MS, PhD
Integrating Fuel-Based End Uses Into a Clean Electric System: Quantifying the Trade Off Between Electrification and Electrically Synthesized Fuels (MS ’20) Jess Carney is interested in understanding how sustainable energy ... Continue Reading »
Anaya Hall
MS, PhD
Modeling Organic Waste Management for Soil Carbon Sequestration in California (MS ’19) Anaya (she/her) is a PhD candidate in the Energy and Resources Group (ERG) at UC Berkeley. She is ... Continue Reading »
Alumni (36 results)
TopJoseph Rand
MS
Environmental, Economic, and Social Trade-Offs of Hydropower Relicensing (MS ’16) Joseph is interested in the social, environmental, and economic trade-offs in energy development, and in particular the social conflicts arising ... Continue Reading »
Chelsi Sparti
MS
Chelsi belongs to the Winnemem, Nomtipom, and Nomsus bands of the Northern Wintu people, and is of European settler descent. She carries out collaborative research with Puerto Rican residents to ... Continue Reading »
- climate resilience
- decarbonization
- Disaster Recovery
- energy
- environmental justice
- governance
- policy
- Risk Mitigation
Lynn Shiyayo
MS
Lynn is a MS student and researcher in the Energy and Resources Group at the University of California, Berkeley. Her research lies at the intersection of transportation, climate, and equity ... Continue Reading »
- Air Pollution Modelling
- climate
- development
- ecology / environmental science
- economics
- energy
- Environmental / Climate Equity
- transportation
- transportation and land use planning
- urban planning
Evan Hansen
MS
Cultivating Partnerships: Pest Control and The Use of Integrated Pest Management on Small Farms in San Joaquin County, California (MS ’97) Contact: ehansen@downstreamstrategies.com ALUMNI SPOTLIGHT: What have you been working ... Continue Reading »
- antidegradation
- Clean Water Act
- coal mining and the environment
- landfill gas-to-energy projects
- Surface Mining Control and Reclamation Act
- total maximum daily loads
Nia Jones
MS
Dear White People: Recommendations to Successfully Attract, Recruit, and Retain Minoritized Students in Green Energy (MS ’22) A native of the nation’s Capitol, Washington, D.C., Nia was born into the ... Continue Reading »
Luke Sherman
MPP, MS
Increasing the spatial resolution of the Human Development Index using satellite imagery (MS ’22) Luke’s research aims to encourage the use of innovative technology and management systems in order to ... Continue Reading »
Edem Yevoo
MS
Edem received his B.S in Environmental Science and Technology, with a concentration in Ecological Technology Design and minor in Geographic Information Science (GIS) from the University of Maryland, College Park ... Continue Reading »
Margaret McCall
MPP, MS
Margaret is pursuing an MS/MPP with ERG and the Goldman Policy School. At Berkeley, she hopes to focus on demand flexibility (a key aspect of greening the power grid) and ... Continue Reading »
Christian Miller
MPP, MS
Measuring California’s Energy Service Affordability (MS ’19) Christian is fascinated by energy end-uses’ effect on communities’ economic and political well-being. While his formal scientific background is in biorenewable resources, his ... Continue Reading »
- climate
- development
- economics
- energy
- energy policy
- equitable energy access
- rural electrification
- transportation
Samira Siddique
MS, PhD
Development for the Stateless: the Displacement-Development Nexus and Implications for the Future (MS ’19) Samira Siddique is a PhD candidate and National Science Foundation Graduate Research Fellow in the Energy ... Continue Reading »
- Climate change justice
- critical development studies
- Cultural memory
- Displacement infrastructure
- Forced migration and refugee studies
- Postcolonial theory
Catherine Ledna
MS, PhD
Modeling Adaption to Sea Level Rise Under Uncertainty (MS ’19) Catherine received a BA in Economics from Dartmouth College, with a minor in Environmental Studies. Prior to coming to ERG, ... Continue Reading »
Salma Elmallah
MS, PhD
Characterizing Fairness, Transparency, and Openness in US Wind Project Planning (MS ’19) Salma’s dissertation studies the equity and distributional impacts of residential heating electrification policy and planning, focusing on cities ... Continue Reading »
Bodie Cabiyo
MA, PhD
Bodie uses interdisciplinary approaches to investigate nature-based solutions to climate change. He currently studies how policy and innovative technology can enable carbon-beneficial forest management. This work bridges industrial ecology, forest ... Continue Reading »
Jonathan Lee
MS, PhD
The Cost of Reliability in Decentralized Solar Systems in Sub-Saharan Africa (MS ’18); Energy Management in Community Microgrids (PhD ’22) Jonathan studies transitions in electric power systems and electricity markets, ... Continue Reading »
- climate
- development
- energy
- RAEL
- renewable energy integration
- rural electrification
- solar energy
- sustainable energy development
Arne Jacobson
PhD
ALUMNI SPOTLIGHT: ARNE JACOBSON Ph.D. 2004 Professor in the Department of Environmental Resources Engineering at Humboldt State University From his post at Humboldt State University, Arne Jacobson passionately extends ... Continue Reading »
- energy use and environmental impacts
- international development
- regional energy planning
- renewable energy
- renewable energy on Native American Reservation lands
- social and economic costs and benefits of energy use
Laura Moreno
MS, PhD
Everyday Transformations of Food to Waste: What and Why Food is Discarded in U.S. Households (PhD ’19) From digging through trash to looking inside of people’s refrigerators, Laura researches household-level ... Continue Reading »
Adam Orford
MA, MPP, PhD
Climate Change Adaptation and Risk Assessment in California’s Electric Power Sector (MA ’18) Adam Orford is a Ph.D. candidate at U.C. Berkeley’s Energy & Resources Group (ERG). He is currently ... Continue Reading »
- climate
- energy
- Institutions
- law
- Political Science
- Politics
- Public Administration
- public policy
- regulation
- transportation
Váleri Vásquez
MS, PhD
Váleri Vásquez is a PhD candidate in the Energy and Resources Group with a Designated Emphasis in Computational Data Science and Engineering. Váleri conducts most of her work in the ... Continue Reading »
Ian Bolliger
MS, PhD
Monitoring and Projecting the Impacts of Climate Change with Emerging Environmental Datasets and Machine Learning (PhD ’20) Ian works to provide decision-makers with quantitative, high-resolution projections of the socioeconomic impacts ... Continue Reading »
- climate
- economics
- energy
- Global Policy Laboratory
- health impacts of climate change
- machine learning
- remote sensing
- spatial statistics
- tropical cyclones
- water
Jim Williams
MS, PhD
M.S. 1986 – A Vehicular Power Plant Application of the Monolithic Solid Oxide Fuel Cell Ph.D. 1995 – Fan-Lizhi’s Big Bang: Science and Politics in Mao’s China ERG alumnus Jim Williams, now ... Continue Reading »
- acid rain
- Arctic haze
- China
- comparative religion
- cosmology
- dissidents and outlaws
- economic globalization and cultural survival
- fuel-cell powered vehicles
- global change
- over the last ten years: speech synthesizers
- science and politics
- the theory and practice of Utopia
Jesse Ribot
MS, PhD
Disincentives for Energy Conservation in the Electric Energy Sector of Djibouti, East Africa (85 MS) Markets, States and Environmental Policy: The Political Economy of Charcoal in Senegal (’90 Ph.D.)
Joachim Seel
MPP, MS, PhD
Landing on the Sun! How to Make Residential PV Price-Competitive in the U.S. with Lessons Learned in Germany (MS/MPP ’12) Socio-Economic and Engineering Assessments of Renewable Energy cost Reduction Potential (PhD ... Continue Reading »
- electricity market design
- market integration of intermittent renewable electricity
- Renewable energy markets and policy
- technology learning
Erica Newman
MS, PhD
Erica’s niche is fire, particularly in the ecologically sensitive region of French Polynesia. She has already been trained as a physicist, but her curiosity draws her to ecology. ERG has become a unique place for Erica to explore her aspirations in the biological sciences alongside those who have successfully trekked through similar transitions. Read in her own words how Erica has fine-tuned her fascinations while at ERG.
- anthropogenic impacts on fire regimes
- California chaparral
- climate change and biodiversity interactions
- Fire ecology and natural disturbance
- French Polynesia cloud forests and wet montane forests
- macroecology
Grace Wu
MS, PhD
Land Use in Renewable Energy Planning (PhD ’18) Inspired by the possibility of ecologically-bounded growth, Grace is interested in water and land use impacts of energy technologies; water management that ... Continue Reading »
- ecological economics
- GIS
- land use impacts of energy systems
- renewable resource assessment
- spatial statistics
- water-energy nexus
Maggie Witt
MS
Maggie’s research focuses on reducing the environmental impacts of transportation by decreasing both the amount that people drive and the per-mile emissions of personal vehicles. Her work focuses on California’s ... Continue Reading »
Monica Testa
MA
Monica obtained her Masters in 2015 from the Energy and Resources Group. She is interested in electric vehicle adoption, alternative energy policy, and sustainable energy development. Her research involves modeling ... Continue Reading »
Autumn Preskill
MS, PhD
Autumn Petros-Good received her B.S. in Engineering from Harvey Mudd College in 2009, and her M.S. from ERG in 2011 and her PhD from ERG in 2015. She worked on ... Continue Reading »
- energy distribution & management policy
- mathematical programming approaches to energy problems
- Renewable energy usage
Ana Mileva
MPP, MS, PhD
Greenhouse Gas Emissions Reductions, System Flexibility Requirements, and Drivers of Storage Deployment in the Western North American Power System through 2050 (PhD ’14) Ana’s PhD research is in modeling electricity ... Continue Reading »
Morgan Levy
MS, PhD
Morgan’s research focuses on hydrology and water resources, the effects of land use and climate change on human health and the environment, human-environmental system dynamics, and environmental data science. Her ... Continue Reading »
- Agriculture
- climate
- climate change
- climate change adaptation
- eco-hydrology
- environmental data science
- environmental health science
- geographic information systems
- hydroclimatology
- hydrology
- irrigation
- water
- water resources management
Noah Kittner
MS, PhD
Energy Systems Integration and Innovation for a Clean Energy Transition (PhD ’18) Noah is an MS/PhD student at ERG. After graduating with a BS in Environmental Science from UNC-Chapel Hill, ... Continue Reading »
- land-use change
- life-cycle assessment
- renewable energy policy
- solar energy
- sustainability
- Thailand
- urban planning
Christopher Jones
MS, PhD
Chris Jones is Director of the CoolClimate Network, a university-government-industry partnership at the University of California, Berkeley, and Lecturer at the Haas School of Business. His primary research interests are ... Continue Reading »
- behavioral psychology
- Carbon footprint analysis
- economics
- energy
- Environmental / Climate Equity
- Environmental Policy
- Environmental Psychology
- RAEL
- transportation
- urban planning
Sasha Harris-Lovett
MS, PhD
Decision Support for Multi-benefit Urban Water Infrastructure (PhD ’18) Sasha Harris-Lovett received a PhD from the Energy and Resources Group in 2018. Her dissertation research focused on urban water and ... Continue Reading »
Julian Fulton
PhD
Julian’s interests lie in the relationships between water use and economic development, focusing on modeling and governance. Mr. Fulton’s previous research includes water use in the transportation sector, conservation strategies ... Continue Reading »
- California
- cotton
- Delta
- environmental history
- footprint
- water management
- water systems
- water use
- water-energy-food nexus
Zoë Chafe
MPH, MS, PhD
Dr. Chafe works at the intersections of public health, air pollution, climate change, and energy use. She holds a PhD from the Energy and Resources Group (ERG), as well as ... Continue Reading »
- climate
- climate change and public health
- co-benefits (ancillary benefits) of climate change mitigation
- development
- energy
- energy transitions and impacts on air pollution
- heating and cooking with solid fuels
- household energy policy options
- Household energy use trends
- short-lived greenhouse pollutants
Nkiruka Avila
MS, PhD
Designing and Adapting Appropriate Socio-Technical Systems for the Renewable Energy Transition (PhD ’18) Nkiruka has expertise in solar grid integration and climate policy in California, and in electricity access in ... Continue Reading »
Peter Alstone
PhD
Peter’s research focus areas are information technology approaches to energy development, understanding markets for demand-side energy technology, and energy technology policy. Outside of academics, he contributes to the Lighting Global ... Continue Reading »
News (13 results)
TopDaniel Kammen and Berkeley Researchers finds that China is the only Nation on track to triple its Renewable Capacity by 2030
April 11, 2024
Amid continuing geopolitical tensions, climate change remains a key area of collaboration between the United States and China. Ahead of last November’s United Nations Climate Change Conference (COP28, Presidents Biden ... Continue Reading »
ERG’s Salma Elmallah on Justice Implications of Solar and Wind Energy Projects
July 26, 2022
ERG PhD student Salma Elmallah has recently been published in the Journal of Environmental Policy and Planning with an article that explores the drivers of solar and wind project siting ... Continue Reading »
ERG’s Lara and Kammen on Potential for Biomass Feedstock from Drought
January 23, 2020
ERG student José Daniel Lara and ERG professor Daniel Kammen, in collaboration with forest researchers in UC Berkeley's department of Environmental Science, Policy, and Management, recently published "Characterization of the woody biomass feedstock potential resulting from California’s drought" in Nature, Scientific Reports.
Campus and Alumni Mourn the Passing of ERG Professor Gene Rochlin
November 28, 2018
It is with a very heavy heart that I have to pass on the news that University of California Berkeley Energy and Resources Group (ERG) core faculty emeritus Gene Rochlin passed away this weekend.
What Environmental Policy Options Does the U.S. Have in 2018?
January 16, 2018
In a Knowledge @ Wharton public policy podcast, Dan Kammen joins Eric Orts, legal studies and business ethics professor, and director of the school’s Initiative for Global Environmental Leadership. Kammen and ... Continue Reading »
New Study by Coalition of ERG Researchers Reveals True Social Cost of Carbon
September 1, 2022
Researchers from Rausser College’s Energy and Resources Group (ERG) and Resources for the Future (RFF) have released a new estimate that the social cost of carbon (SCC), a key metric ... Continue Reading »
ERG Alumnus Patrick Gonzalez Speaks to Congress on Climate Change
June 27, 2019
ERG alum, Dr. Patrick Gonzalez presents scientific findings to Representative Mike Quigley and other members of the U.S. House of Representatives Sustainable Energy and Environment Coalition Members in the U.S. Capitol
Dan Kammen Featured in Fall 2017 Breakthroughs Magazine
November 30, 2017
In the Fall 2017 issue of the College of Natural Resources’ Breakthroughs magazine, Dan Kammen is spotlighted for the innovative ways in which he has merged science with environmental policy. ... Continue Reading »
New ERG Chair Daniel M. Kammen
July 25, 2017
We are pleased to announce the appointment of the new Energy and Resources Group Chair, Professor Daniel M. Kammen. His appointment began July 1, 2017. Daniel Kammen is a Professor of Energy with ... Continue Reading »
ERG Summer Courses Available
February 28, 2016
ERG is offering four of its most popular courses this summer! Enroll Today!
ERG at the Paris Climate Talks
December 1, 2015
The 2015 United Nations Climate Change Conference in Paris has begun and will continue until December 11th. Energy and Resources Group faculty, students and alumni will be playing an active role at the conference and the many peripheral activities.
Holdren: What Works at ERG Works
April 13, 2015
John Holdren's "tricks of the trade" presentation plus photos during the ERG Big Event.
Brown Schwarzenegger
September 10, 2014
Kammen speaks at Schwarzenegger's climate pep rally where both parties agree that it's time to fight the dark side.