Der Blaue Engel ist eine tragende Säule zur Förderung nachhaltiger Produkte in Deutschland. Er ist das älteste Umweltzeichen der Welt und gilt in Deutschland als zentrale Orientierungsmarke für umweltfreundliche Produkte und Dienstleistungen. In den Jahren 2001 und 2008 wurden...

Recently, an active debate has emerged around greenhouse gas emissions due to indirect land use change (iLUC) of expanding agricultural areas dedicated to biofuel production. In this paper we provide a detailed analysis of the iLUC effect, and further address the issues of deforestation,...

Over the next decades mankind will demand more food from fewer land and water resources. This study quantifies the food production impacts of four alternative development scenarios from the Millennium Ecosystem Assessment and the Special Report on Emission Scenarios. Partially and jointly...

Many of the major greenhouse gas emitting countries have planned and/or implemented domestic mitigation policies, such as carbon taxes, feed-in tariffs, or standards. This study analyses whether the most effective national climate and energy policies are sufficient to stay on track for meeting...

From a biophysical perspective, woody biomass resources are large enough to cover a substantial share of the world's primary energy consumption in 2050. However, these resources have alternative uses and their accessibility is limited, which tends to decrease their competitiveness with respect...

This report provides an overview of the development of the negotiations within the UNFCCC since COP 17 in Durban. It summarises the key developments in 2011 and provides short overviews for all negotiation areas. The overview also includes a state of play of the Cancún Agreement and explains...