Standards and Thresholds play an important role in many stages of the Environmental Impact Assessment (EIA) process. They can be legally binding or guidance values and are linked to environmental data. This book provides a comprehensive collection of standards and thresholds, with their derivation and application in case studies of EIA projects. The text introduces key drivers of standards, their effect on environment and health, emerging issues and more.

First Published in 1994. Routledge is an imprint of Taylor & Francis, an informa company.

The world's ecosystems are increasingly threatened by human development. Ecological impact assessment (EcIA) is used to predict and evaluate the impacts of development on ecosystems and their components,thereby providing the information needed to ensure that ecological issues are given full and proper consideration in development planning. Environmental impact assessment (EIA) has emerged as a key to sustainable development by integrating social, economic and environmental issues in many countries. EcIA has a major part to play as a component of EIA but also has other potential applications in environmental planning and management. Ecological Impact Assessment provides a comprehensive review of the EcIA process and summarizes the ecological theories and tools that can be used to understand, explain and evaluate the ecological consequences of development proposals. It is intended for the many individuals and companies involved in EIA and EcIA, as well as other areas of environmental management where impacts on ecosystems need to be evaluated. It will benefit planners, regulators, environmental consultants and scientists and will also provide an invaluable sourcebook and guide for the growing number of undergraduate students taking courses in applied ecology, EIA and related topics in environmental science. A practical management guide for the increasing numbers of practitioners of EcIA. A rapidly expanding subject driven by the proliferation of environmental legislation worldwide.

This report, based on a draft paper prepared by the Canadian Environmental Assessment Agency and reviewed by Summit participants, presents the results of the Canadian Environmental Assessment Agency-sponsored study. The paper offers a framework on how such a network could be organised and operated, and explains how the CEAA has used the framework to develop its site on the Internet. The report is also a contribution to the International Study of the Effectiveness of Environmental Assessment. The document proposes a framework for an EA network and looks at the experience of the Canadian Environmental Assessment Agency.

Currently the writing on the subject is limited and comprises, for the most part, guidance documents and completed assessments.

The importance of ex ante and ex post impact assessment in streamlining the regulatory environment and improving the legislative process has been stressed by scholars and testified to by international best practices. The potential benefits of regulatory impact assessment are also being rediscovered by EU officials, who lose no chance to recall that the Commission's ambitious "growth and jobs" strategy heavily depends on the pervasiveness of impact assessment in the regulatory process at EU and member state level. This study, conceived for scholars and policymakers, provides an overview of the state of the art on impact assessment. It focuses on the latest developments in the United States, UK, and EU, and presents a scorecard analysis of the Commission's extended impact assessments. The author concludes with a road map for improving the transparency, efficiency, and effectiveness of the EU Integrated Impact Assessment model.