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Climate change and the rise of CO2: App State scientists contribute to 2020 Global Carbon Budget

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Appalachian State University scientists Dr. Gregg Marland, left and Dr. Dennis Gilfillan ’08 are among 86 scientists worldwide who contributed their expertise to the Global Carbon Project’s 2020 Global Carbon Budget — an annual, in-depth report on the amount of CO2 produced by the world’s nations and how much enters the ocean, is taken up by growing plants or accumulates in the atmosphere. Marland holds a dual appointment as an adjunct research professor in App State’s Department of Geological and Environmental Sciences and Research Institute for Environment, Energy, and Economics (RIEEE). Gilfillan is a postdoctoral research scholar in RIEEE and a staff member in the university’s Appalachian Energy Center. Photos by Chase Reynolds

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This infographic shows highlights from the Global Carbon Project’s 2020 Global Carbon Budget, including a decrease of 2.4 billion tons of carbon dioxide (CO2) emissions from fossil fuels — such as coal, oil and natural gas — from 2019 to 2020. This is the largest decrease ever recorded, according to GCP, with the drop in CO2 attributed to quarantines and travel restrictions due to the global coronavirus pandemic. Global Carbon Project image

“The first step toward a solution for climate change is to acknowledge and understand what is happening now.”

Dr. Gregg Marland, co-author of the 2020 Global Carbon Budget and adjunct research professor in App State’s Department of Geological and Environmental Sciences and Research Institute for Environment, Energy, and Economics

Edited by Jessica Stump
Posted Dec. 22, 2020 at 5:31 p.m.

BOONE, N.C. — The Global Carbon Project (GCP) has released its annual 2020 Global Carbon Budget, which estimates CO2 emissions for the year have decreased by 2.4 billion tons — the largest drop ever recorded, according to GCP. More than 80 scientists from 68 institutions in 16 countries worldwide co-authored this year’s report, including Appalachian State University scientists Dr. Dennis Gilfillan ’08 and Dr. Gregg Marland.

“The first step toward a solution for climate change is to acknowledge and understand what is happening now.”

Dr. Gregg Marland, co-author of the 2020 Global Carbon Budget and adjunct research professor in App State’s Department of Geological and Environmental Sciences and Research Institute for Environment, Energy, and Economics

The 2020 budget, released Dec. 11, estimates total emissions for the year — about 34 billion metric tons of CO2 — will be 7% lower than in 2019 because of the impact of the COVID-19 pandemic and the resultant quarantines and travel restrictions. Further, the report shows an estimated 24 countries with growing economies, including the U.S., had declining fossil fuel CO2 emissions from 2010–19.

“The widely perceived challenge is to build back from the pandemic in a way that does not lead to continuing growth in CO2 emissions,” said Gilfillan, who is a postdoctoral research scholar in App State’s Research Institute for Environment, Energy, and Economics (RIEEE) and a staff member in the university’s Appalachian Energy Center.

View larger image

This infographic shows highlights from the Global Carbon Project’s 2020 Global Carbon Budget, including a decrease of 2.4 billion tons of carbon dioxide (CO2) emissions from fossil fuels — such as coal, oil and natural gas — from 2019 to 2020. This is the largest decrease ever recorded, according to GCP, with the drop in CO2 attributed to quarantines and travel restrictions due to the global coronavirus pandemic. Global Carbon Project image

For the annual budget, Gilfillan and Marland, who holds a dual appointment as an adjunct research professor in RIEEE and the Department of Geological and Environmental Sciences, contributed to the analysis of CO2 emissions from energy use and industrial processes.

An international organization, GCP brings together scientists from around the world to produce annual updates on its Global Carbon Budget, which analyzes how much CO2 is released to the atmosphere each year and how much of this carbon enters the ocean, is taken up by growing plants or accumulates in the atmosphere with effects on the climate system. CO2 entering the ocean changes the acidity of the ocean and creates problems for the environment, according to Gilfillan and Marland.

The 2020 Global Carbon Budget notes atmospheric CO2 has increased an estimated 48% since 1750 — and is continuing to rise. In 2019, human-caused CO2 emissions reached 42.2 billion metric tons in 2019 (a metric ton is about 1.1 U.S. tons) and the atmospheric concentration of CO2 rose to 409.85 parts per million (parts of carbon dioxide that exist in one million parts of air), according to the report’s estimates.

Human-caused emissions come from burning coal, oil and natural gas and some industrial processes such as manufacturing cement (collectively 36.3 billion metric tons) and the destruction of forests. According to Gilfillan and Marland, recent reports from other international research efforts have emphasized prompt and major reductions in CO2 emissions are needed to minimize the environmental and economic damages of severe changes in climate.

Marland said, “The first step toward a solution for climate change is to acknowledge and understand what is happening now.”

View larger image

Dr. Gregg Marland, an adjunct research professor in the Department of Geological and Environmental Sciences at Appalachian State University with a dual appointment in the university’s Research Institute for Environment, Energy, and Economics. Photo by Chase Reynolds

View larger image

Dr. Dennis Gilfillan ’08, a postdoctoral research scholar in Appalachian State University’s Research Institute for Environment, Energy, and Economics. Gilfillan is also a staff member in the university’s Appalachian Energy Center. Photo by Chase Reynolds

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CDIAC at App State
CDIAC at App State

Climate change is occurring as a result of changes in the chemistry of the Earth’s atmosphere. These changes are being driven primarily by the release of carbon dioxide (CO2) from fossil fuel combustion and other industrial processes. Monitoring fossil fuel CO2 emissions is essential as the need and prospects for reducing emissions become critical and the obligation to monitor the success of mitigation actions looms. These inventories are powerful tools as nations, corporations, and individuals grapple with appropriate reduction targets, and as verification that these parties are meeting their objectives.

Learn more
Global Carbon Budget
Global Carbon Budget

State of the carbon cycle: An annual update of the global carbon budget.

Learn more
Research Institute for Environment, Energy, and Economics
Research Institute for Environment, Energy, and Economics

Since 2008, Appalachian State University’s Research Institute for Environment, Energy, and Economics (RIEEE) has fostered interdisciplinary research on the environment, energy and economics, especially the areas in which these subjects intersect. The institute serves as an umbrella organization for three centers: the Appalachian Energy Center, Center for Economic Research and Policy Analysis (CERPA) and the Southern Appalachian Environmental Research and Education Center (SAEREC). The work supported by RIEEE is integrated into Appalachian’s academic programs, used to facilitate discovery among K-12 student students and teachers, and employed in the region’s economic development.

Learn more

About the Research Institute for Environment, Energy, and Economics

Since 2008, Appalachian State University’s Research Institute for Environment, Energy, and Economics (RIEEE) has fostered interdisciplinary research on the environment, energy and economics, especially the areas in which these subjects intersect. The institute serves as an umbrella organization for three centers: the Appalachian Energy Center, Center for Economic Research and Policy Analysis (CERPA) and the Southern Appalachian Environmental Research and Education Center (SAEREC). The work supported by RIEEE is integrated into Appalachian’s academic programs, used to facilitate discovery among K-12 student students and teachers, and employed in the region’s economic development. Learn more at https://rieee.appstate.edu.

About the Department of Geological and Environmental Sciences

Located in Western North Carolina, Appalachian State University provides the perfect setting to study geological and environmental sciences. The Department of Geological and Environmental Sciences provides students with a solid foundation on which to prepare for graduate school or build successful careers as scientists, consultants and secondary education teachers. The department offers six degree options in geology and two degree options in environmental science. Learn more at https://earth.appstate.edu.

About the College of Arts and Sciences

The College of Arts and Sciences (CAS) at Appalachian State University is home to 17 academic departments, two centers and one residential college. These units span the humanities and the social, mathematical and natural sciences. CAS aims to develop a distinctive identity built upon our university's strengths, traditions and unique location. The college’s values lie not only in service to the university and local community, but through inspiring, training, educating and sustaining the development of its students as global citizens. More than 6,400 student majors are enrolled in the college. As the college is also largely responsible for implementing App State’s general education curriculum, it is heavily involved in the education of all students at the university, including those pursuing majors in other colleges. Learn more at https://cas.appstate.edu.

About Appalachian State University

As the premier public undergraduate institution in the Southeast, Appalachian State University prepares students to lead purposeful lives as global citizens who understand and engage their responsibilities in creating a sustainable future for all. The Appalachian Experience promotes a spirit of inclusion that brings people together in inspiring ways to acquire and create knowledge, to grow holistically, to act with passion and determination, and to embrace diversity and difference. Located in the Blue Ridge Mountains, Appalachian is one of 17 campuses in the University of North Carolina System. Appalachian enrolls nearly 21,000 students, has a low student-to-faculty ratio and offers more than 150 undergraduate and graduate majors.

“The first step toward a solution for climate change is to acknowledge and understand what is happening now.”

Dr. Gregg Marland, co-author of the 2020 Global Carbon Budget and adjunct research professor in App State’s Department of Geological and Environmental Sciences and Research Institute for Environment, Energy, and Economics

Appalachian continues carbon emission reporting for global solutions
Appalachian continues carbon emission reporting for global solutions
April 24, 2019

The carbon emissions data set formally maintained by the Oak Ridge National Laboratory’s Carbon Dioxide Information Analysis Center has received new life at Appalachian through a cross-campus collaboration.

Read the story
CDIAC at App State
CDIAC at App State

Climate change is occurring as a result of changes in the chemistry of the Earth’s atmosphere. These changes are being driven primarily by the release of carbon dioxide (CO2) from fossil fuel combustion and other industrial processes. Monitoring fossil fuel CO2 emissions is essential as the need and prospects for reducing emissions become critical and the obligation to monitor the success of mitigation actions looms. These inventories are powerful tools as nations, corporations, and individuals grapple with appropriate reduction targets, and as verification that these parties are meeting their objectives.

Learn more
Global Carbon Budget
Global Carbon Budget

State of the carbon cycle: An annual update of the global carbon budget.

Learn more
Research Institute for Environment, Energy, and Economics
Research Institute for Environment, Energy, and Economics

Since 2008, Appalachian State University’s Research Institute for Environment, Energy, and Economics (RIEEE) has fostered interdisciplinary research on the environment, energy and economics, especially the areas in which these subjects intersect. The institute serves as an umbrella organization for three centers: the Appalachian Energy Center, Center for Economic Research and Policy Analysis (CERPA) and the Southern Appalachian Environmental Research and Education Center (SAEREC). The work supported by RIEEE is integrated into Appalachian’s academic programs, used to facilitate discovery among K-12 student students and teachers, and employed in the region’s economic development.

Learn more

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Appalachian Today is an online publication of Appalachian State University. This website consolidates university news, feature stories, events, photo galleries, videos and podcasts.

The migration of materials from other sites is still incomplete, so if you cannot find what you're looking for here, please refer to the following sources:

  • Additional feature stories may be found at Appalachian Magazine
  • Podcasts may be found at Appalachian Magazine
  • Photo galleries and videos published prior to Jan. 1, 2015 may be found at Appalachian Magazine
  • A university-wide Google Calendar may be found at Events at Appalachian

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Archives

Appalachian Today is an online publication of Appalachian State University. This website consolidates university news, feature stories, events, photo galleries, videos and podcasts.

The migration of materials from other sites is still incomplete, so if you cannot find what you're looking for here, please refer to the following sources:

  • Additional feature stories may be found at Appalachian Magazine
  • Podcasts may be found at Appalachian Magazine
  • Photo galleries and videos published prior to Jan. 1, 2015 may be found at Appalachian Magazine
  • A university-wide Google Calendar may be found at Events at Appalachian
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