 He has been described as “a pioneer” for breaking new ground in defining environmental news and setting a standard for coverage that earned him the sobriquet of “dean of environmental journalism.” He left the "NY Times" in 1999.He then founded and, for five years, served as publisher of "Greenwire", the daily online digest of worldwide environmental news coverage, which remains today a leading source of environmental news.It was bought in 2000 by Environment & Energy Publishing.