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The Richard and Jane Pearl Professor in Environmental Studies
Environmental Studies Program


I am an environmental and forest ecosystem scientist.

My research and teaching have focused on:

  • Carbon cycling in forests
  • Trace metal and major element cycling in forests
  • Personal choices and their impact on energy and the environment
  • Air pollution effects on high-elevation forests in the Northeast USA
  • Introductory Environmental Science
  • Online Introductory Environmental Science (edX MOOC). Learn more in these videos, and read reviews here.
  • Advanced Placement Environmental Science (APES)

Recently Published

Richardson, J.B., J.H. Görres, B.P. Jackson and A.J. Friedland. 2015.  Trace metals and metalloids in forest soils and exotic earthworms in northern New England, USA. Soil Biology and Biochemistry 85:190-198.

Petrenko, C.L. and A.J. Friedland. 2015. Mineral soil carbon pool responses to forest clearing in Northeastern hardwood forests. Global Change Biology--Bioenergy 7:1283-1293. DOI: 10.1111/gcbb.12221.