John Hennessy III,
P.E.
INTERNATIONAL RENEWABLE ENERGY AGENCY (IRENA)
The reduction of pollution and climate impact through rapidly increased use of renewable energy by 2030 could save up to USD 4.2 trillion per year worldwide, 15 times the associated costs of doubling the share of renewables. Today’s energy markets, however, do not adequately value climate impact or air pollution. Energy and environmental policies need to correct for these externalities.
Every 2.5 minutes, the American West loses a football field worth of natural area to human development. This project maps a rapidly changing landscape, explores what is being lost, and profiles a new movement for conservation that is gaining ground.
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Transportation plays a key role in the economy and in the challenges and opportunities associated with sustainable development. Sustainable transportation addresses local, regional and national priorities and requires considerable coordination. Transportation Sustainability: Hawaii illustrates the holistic approach being taken in that island paradise to meet current and future mobility and accessibility needs while protecting environmental resources.
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CLEAN ENERGY MANUFACTURING ANALYSIS CENTER
In 2015, CEMAC focused on four technologies: solar photovoltaic modules, wind turbines, automotive lithium-ion batteries, and carbon fiber. The studies on these technologies are summarized in the following section. During these more detailed analyses of our inaugural year, we gained preliminary insights into clean energy manufacturing overall; specifically related to its adaptation to global economic dynamics and the factors influencing the location of manufacturing facilities in a global world.
William Peduto was elected to the office of Mayor of the City of Pittsburgh in the General Election on November 5, 2013. He has worked for 19 years on Pittsburgh City Council, as a staffer and Member of Council representing District 8, and resides in the Point Breeze neighborhood of the city.
“So there’s always been a partnership between the ability to create and innovate and the ability to build—that’s in our DNA. We went through a thirty-year recession/depression, and now we have re-emerged where we were before, which is with a new 21st-century model. When we look at our infrastructure, we have the opportunity to be innovative once again.”
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NATIONAL ACADEMY OF ENGINEERING
Robert Socolow observed that the 14 Grand Challenges fall into four categories. The first is sustainability—maintaining air and water quality, protecting freshwater quantity, preventing sea level rise, keeping forests and other ecosystems in good condition, and minimizing artificially triggered climate change. Next is personal and community health, because, he pointed out, “as individuals we can live fulfilling lives only if we are healthy.” But, he added, “people have a record of being dangerous to each other,” hence the third category, vulnerability and security.
Wildlife crossings are not only for the safety of wildlife. ADOT wants to keep the driving public safe as well. A wildlife strike can be fatal and cause significant property damage. In this video, we focus on the Sonoran Desert Tortoise-and ADOT’s first-ever multi-agency Candidate Conservation Agreement.
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We calculated the land area needed to supply the entire United States with solar power.
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NATIONAL ACADEMIES PRESS
Mathematical modeling and control of the electric grid has been an active area of research for decades. However, in 1996 a major outage that affected 11 Western states and 2 Canadian provinces—coupled with emerging concerns that computers would malfunction after December 31, 1999—increased awareness of a lack of complete understanding of the overall system and its frailties. For several decades the Electric Power Research Institute funded a program of research to develop tools for recognizing early signs of instability and means to counter them. That research was largely of a mathematical nature.
AMERICAN LUNG ASSOCIATION
The “State of the Air 2016” found continued improvement in air quality in 2012–2014, showing lower levels of year-round particle pollution and ozone. Still, more than half of all Americans—166 million people—live in counties where they are exposed to unhealthful levels of these pollutants.
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