Mára széles körűen elfogadott tény, hogy az emberi tevékenységek – mint a szén, az olaj vagy a gáz elégetése – során keletkező üvegházhatású gázok kibocsátása általános felmelegedést okoz a Föld légkörében. Az elmúlt évtizedekben egyre világosabban...

This 2011 report provides an economic overview of the Canadian agriculture and agri-food system. It is meant to be a multi-purpose reference document to provide: an introduction to the agriculture and agri-food system; a snapshot of structural changes that are occurring throughout the system in...

Since the late 1980s, the concept of precaution has been incorporated into numerous international agreements and laws, as well as in domestic statutes and policies in many countries. This paper examines the international emergence of the concept and its application in Australia. Despite rapid...

Metrics for evaluating environmental trade-offs can be developed with varying levels of consistency across case study sites. A key issue is whether standard evaluation experiments can be conducted over multiple sites, or whether experiments have to be tailored to each case study application. To...

Nitrogen leaching from agriculture contributes to contamination of Lake Taupo. Multiple criteria decision making was used to compare fourteen pre-defined farming systems which reduced, or maintained nitrogen losses. Case study participants included three to four each of Maori Incorporation...

With a mandate, U.S. policy of ethanol tax credits designed to reduce oil consumption does the exact opposite. A tax credit is a direct gasoline consumption subsidy with no effect on the ethanol price and therefore does not help either corn or ethanol producers. To understand this, consider...

Water is increasingly being treated as a tradable commodity. This paper describes our efforts to include water accounts in a multi-regional CGE model. In order to understand the conditions under which water trade might occur, we need to add a number of features to the model and scenarios. These...

Appropriate management and policy responses for dryland salinity vary depending on biophysical and socio-economic conditions, and on the resources in question (water resources, biodiversity, infrastructure, agricultural land, salt-affected land). In this paper we present a framework for...

Data from the Philippines are used to measure impacts of technical progress in lowland agriculture on upland forests. Irrigation development, labor demand, and employment are studied. Total annual labor use increased following irrigation. Employment of household members living along forest...

Environmental agencies and utilities wishing to support environmental projects face the challenge of deciding which of the many possible projects they should support with their limited resources. Projects vary greatly in their benefits and costs, so selecting the best projects can make a major...