March 3, 1991

ESSA designs and develops SCREENER, an environmental assessment software tool.ESSA designs and develops SCREENER, an environmental assessment software tool.

ESSA was designing and developing SCREENER, the first in a series of increasingly-sophisticated software tools for undertaking and tracking environmental assessments. The first clients were various branches of the federal government (including DND, DIAND, PWC, Transport Canada).
September 3, 1988

Don Robinson starts at ESSA

Don Robinson starts at ESSA
July 3, 1988

Carol Murray starts at ESSA

Carol Murray is hired by ESSA, despite the fact that she showed up for the interview wearing Greb work boots, jeans and a lumberjack shirt. Upon seeing this get-up Dave Marmorek thought that she must be either extremely confident, or a bit crazy. Actually she […]
July 3, 1988

Modelling Forest Carbon

ESSA started working on a model of forest carbon for all of Canada, including trees, soils, and the wood forest products that ultimately end up in buildings, libraries, land fill sites or the atmosphere. Modelling forest carbon became the primary focus of ESSA employee Werner’s […]
February 3, 1987

Timber Harvesting Impacts in Ontario

During the period from 1986 to 1988 ESSA was engaged in an intensive series of meetings and analyses on the effects of timber harvesting on northern Ontario fish and wildlife, and tourism. The project led to some very innovative adaptive management experiments by scientists at […]