Environmental policy technological innovation and patents this report presents three case studies to illustrate the relationship between environmental policy and technological innovation the case studies cover abatement technologies for wastewater effluent from pulp production abatement of motor vehicle emissions and development of renewable energy technologies. However the relationship between environmental policy and technological innovation remains an area in which empirical evidence is scant in an attempt to bridge this gap the oecd has examined the relevant issues using patent activity as a measure of technological innovation. This report presents three case studies to illustrate the relationship between environmental policy and technological innovation this site is powered by keepeek 360 digital asset management software for business. As part of its work on decoupling environmental pressures from economic growth the oecds environment directorate has launched a project on the effects of public environmental policy on technological innovation with the aim of improving the design implementation and evaluation of environmental policies drawing upon patent data bibliometric data and other sources the links between public . As part of its work on decoupling environmental pressures from economic growth the oecds environment directorate has launched a project on the effects of public environmental policy on technological innovation with the aim of improving the design implementation and evaluation of environmental policies drawing upon patent data bibliometric data and other sources the links between public