The reform of environmentally harmful subsidies is a high priority for OECD countries. But is there agreement on a common definition of subsidies and on methods to measure them? Are enough reliable data and methods available to identify, measure and analyse environmentally harmful subsidies?...

Achieving sustainable development goals at a global level will strongly depend on the rapid technological development and innovation, and the widespread diffusion and application, of cleaner technologies in non-OECD as well as OECD countries. But do the developing countries have the capacity and...

The relationship between economic growth and the environment is not well understood: we have only limited understanding of the basic science involved and very limited data. Because of these difficulties it is especially important to develop a series of relatively simple theoretical models that...