Wetlands all over the world have been lost or are threatened in spite of various international agreements and national policies. This is caused by: (1) the public nature of many wetlands products and services; (2) user externalities imposed on other stakeholders; and (3) policy intervention...

The advantages and disadvantages of genetic modification of organisms in agriculture are reviewed. These relate to the environment, human health, socio-economic effects, population growth, and differential consequences for developed and developing countries. An overall evaluation requires that...

Environment and economy-no conflict -- Market mistakes and how unpaid-for external effects are killing us -- Climate change: "the greatest external effect in human history" -- How to deal with external effects -- Solving the climate problem -- Everyone's property is no one's property -- Natural...