EPA Blog Post: Background on the Supreme Court, the Clean Air Act, and Carbon Dioxide Regulations
October 23, 2014
The Supreme Court has affirmed on multiple occasions that the EPA not only has the authority but also a legal obligation to regulate CO2 emissions as an air pollutant through the Clean Air Act. Following is a summary of the most relevant case law.


From the invention of the computer mouse to the world’s first video game console,
This year, three researches from Japan and the U.S. were deemed to be no dim bulbs in the science and research community. Professors Isamu Asaki, Hiroshi Amano and Shuji Nakamura were nominated this week for the
Clark Miller, associate director of the Consortium for Science, Policy, and Outcomes (CSPO) and associate professor in the School of Politics and Global Studies at Arizona State University, wrote an article discussing the potential of a national referendum on climate change in the United States. The article, “Are we sovereign?” was featured as a contributing piece in The Hill. Read the article
Over the course of the late nineteenth and twentieth centuries, the United States’ electricity system was largely built by investor-, municipally-, and cooperatively-owned utilities using generation from centralized power plants, servicing single territories.
Elisabeth Graffy, Arizona State University professor and ASU LightWorks co-director of energy policy, law and governance co-wrote an article about the impact of solar installations to energy markets and electric utilities.
On March 27, 2014, Tempe’s South Water Treatment Plant hosted their first public solar tour. The tour highlighted the implementation of more than 3,000 solar panels that will generate more than 1.6 million kilowatt (kW) hours of electricity each year, supplying 15 percent of the plant's energy needs. This achievement marks the city’s largest solar energy project thus far.
The fourth annual Arizona Solar Summit took place on February 20, 2014, in part of ASU Global Institute of Sustainability’s 2014
On January 24, 2014, LightWorks kicked off its first lecture series of the new year with a panel-style discussion on Arizona State University’s zero carbon initiative. The discussion addressed ASU’s
In the fall of 2013, ASU Libraries hosted the exhibit
The need for future innovators in the energy field is becoming increasingly important to our day and age. In August 2013, LightWorks and the College of Liberal Arts and Sciences at Arizona State University launched a platform aimed to encourage students and educators to become more involved in energy education. The “
Since its foundation in 1996, Shell GameChanger has practiced its open invitation to innovative ideas that have the potential to
On October 30, 2013, Xavier Labandeira, professor of the Department of Applied Economics at the University of Vigo and Director of Economics of Energy, presented a lecture at ASU Global Institute of Sustainability. Labandeira discussed Spanish policies to promote renewable energy and assessed their effectiveness within a wider energy public-policy context.
On October 2, ASU’s
On September 27, 2013, visual artist and Arizona native Paul Nosa visited the Global Institute of Sustainability and the ASU Art Museum for a sewing performance with his Solar Sewing Rover. The sewing machine is portable and powered by a solar panel or a bicycle with an electric generator. Nosa is currently on a 
ASU’s Biodesign Institute kicked off the Fall 2013 semester by hosting an interesting lecture featuring the research findings of Assistant Professor Candace K. Chan of ASU’s
On July 31, 2013, over 150 Phoenicians and 20 participating community organizations took part in the “