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The implementation of the European Union Bird and Habitat Directives in the field of water infrastructure has caused severe project disruptions in the past. The prevalence of negative experience has triggered a new approach, which aims to integrate site‐specific characteristics of ecosystem and project objectives during the development of the initial project design. This is termed integrated nature design. In this paper we advance the hypothesis that applying integrated nature design in Natura 2000 areas can increase the chances of a project being approved in case appeal is made to the courts. To test our hypothesis we have carried out a quasi‐experimental comparison of two coastal zone development projects in the Netherlands. Our analysis demonstrates that a coastal development project in a Natura 2000 area has a greater chance of success if its design integrates nature, provided that the project administration and scientific findings are favourable.

In The Netherlands nearly 20% of the domestic green house gas emissions are due to the use of energy in housing. In order to mitigate greenhouse gas emissions The Netherlands adopted a policy strategy aimed at economic sectors, including the built environment. Besides policy measures that stimulate energy conservation in houses, other measures were implemented that stimulate the use of innovative techniques concerning renewable energy and energy efficiency (IES). The appliance of these innovative techniques is of special importance to the national government's long term policy goal concerning the transition to a low carbon society.

The housing sector in the Netherlands is responsible for a significant fraction of primary energy use and CO2 emissions. Great energy conservation opportunities are to be found in the existing housing stock, especially in large renovation projects on existing sites. Energy conservation savings of up to 90% are technically feasible. Despite this, there is little empirical evidence available about processes that influence the achievement of energy conservation goals in such locations. Moreover, no systematic, bottom-up research on the matter is available. This paper attempts to answer questions about the factors – size, direction and significance – that explain variation in the degree of energy conservation. Four main propositions were tested, comprising the following variables: actor characteristics, policy instruments, interorganizational collaboration and context. The study used a comparative research design. Data were collected from eleven existing housing sites where renovation projects had been executed, involving 70 personal interviews, a survey, and the collection of project documents. A mixed methods approach was applied for data analysis. The results show that interorganizational, collaborative efforts, policy instruments and the presence of wealthy housing associations have a positive influence on energy conservation outcomes. The mean energy conservation was slightly less than 40%, and outcomes varied between 26.5% and 69.8%. Strikingly, planning does not have a beneficial influence and the actual outcome is lower than predicted. The results are useful for national and local government policy makers, as they clearly argue that ambitious policy goals should be tempered.

Researchers and policy-makers accept that implementation decisively influences the effectiveness of European (EU) environmental policy. Some Member States lead the development of EU policy and implement Directives with little problem. Others follow a variety of compliance (or non-compliance) paths. Implementation gaps and policy failures are prevalent. Policy outcomes often differ radically between even neighbouring Member States. What are the reasons for these differences? Why do Member States follow different compliance paths? Why do implementation gaps and policy failures occur? What factors can explain the different policy outcomes achieved? Is it only 'classical' implementation variables i.e. the monitoring and enforcement actions of public authorities that count? What lessons can we draw for the future? This paper addresses these questions through a comparative analysis of the implementation of the European Directive on the reduction of air pollution from existing municipal waste incineration plants (89/429/EEC) in Germany, the Netherlands, France and the United Kingdom: four neighbouring Member States that exhibit quite divergent compliance paths and policy outcomes. Monitoring and enforcement are found to have only limited explanatory power. In practice national contextual variables, such as: public and political environmental awareness; interactions both with environmental and non-environmental policies; regulatory anticipation and uncertainty; the degree of autonomy and scope of regulatory agencies; and, industrial and market structure of the regulated industry, must also be considered.

AbstractNumerous governments have adopted innovative policy instruments to deal with important environmental policy challenges and negotiated instruments offer the potential to improve performance beyond what regulation alone can accomplish. Dutch covenants, which represent negotiated agreements with sectors of industry as targets of behavioral change, provide useful evidence of the determinants of success. For improving environmental performance, certain features of the policy setting explain much of the variance in ambitions and outcomes: attitudes of decision makers in the affected businesses, attention to cost minimization, and possibly the degree of ambition built into the agreement. Modeling to explain the extent of ambition and compliance offer further insights. While some Dutch lessons may be restricted to more corporatist policy settings, others may help improve the effectiveness of negotiated agreements in many national settings.