diciembre 2, 2010
NREL: U.S. Life Cycle Inventory Database Home Page
NREL and its partners created the U.S. Life Cycle Inventory (LCI) Database to help life cycle assessment (LCA) practitioners answer questions about environmental impact. This database provides individual gate-to-gate, cradle-to-gate and cradle-to-grave accounting of the energy and material flows into and out of the environment that are associated with producing a material, component, or assembly in the U.S.
The goals of the U.S. LCI Database project are:
Maintain data quality and transparency
Cover commonly used materials, products, and processes in the United States with up-to-date, critically reviewed LCI data
Support the expanded use of LCA as an environmental decision-making tool
Maintain compatibility with international LCI databases
Provide exceptional data accessibility
Be fully and sustainably supported
Support U.S. industry competitiveness
About the Center
About the American Center for Life Cycle Assessment The American Center for Life Cycle Assessment is a non-profit membership organization formed in 2001. It is the professional society for Life Cycle Assessment in the United States. The work of ACLCA is primarily carried out through volunteers working in the ACLCA Committees.
vía About the Center.
Madera Procesos Tecnología: La Finger Joint
Finger Joint tipo horizontal
Este es otro de los equipos que ayudan mucho a los resultados de la empresa. Dependiendo del nivel de automatización, la finger joint será una opción de recuperación o una máquina de alta producción y parte vital del proceso. En el caso de las plantas de muebles, lo normal es que sea usada para aumentar el rendimiento de la materia prima, incorporando piezas endentadas en componentes que no van expuestos a la vista, típicamente costados de cajón y repisas interiores. En el mercado asiático (Corea y Japón) los muebles están diseñados con tableros conformados por bandas o lamelas con finger joint y posteriormente encoladas de canto. Y en el mercado de las molduras el finger es la mejor forma de conseguir un producto homogéneo en calidad, ya que en este mercado por lo general no se admiten nudos.
PAPELnet
El Árbol El árbol es una planta leñosa que se caracteriza por poseer un tallo principal erguido llamado tronco o fuste que crece ascendentemente y se ramifica en altura. Cada árbol se sostiene en su tronco y termina en una copa; ésta se forma por las ramas que nacen del tronco y que se subdividen en ramas más finas, donde nacen las hojas. Cuando no existen ramas -como en el caso de las palmeras, que sólo lucen una corona de grandes hojas-, no se habla de tronco sino de estipe. La altura de los árboles varía según la especie. Los árboles más pequeños llegan a medir poco más de 4,5 m de alto con un diámetro de fuste de no más de 15 cm; las especies más grandes, en cambio, pueden superar los 100 m de altura y un diámetro de 6 m en el tronco.
vía PAPELnet.
noviembre 19, 2010
Reseña anual de las maderas del mundo – The International Tropical Timber Organization (ITTO)
Reseña anual y evaluación de la situación mundial de las maderas
La «Reseña anual y evaluación de la situación mundial de las maderas» de la OIMT constituye una compilación de las estadísticas internacionales más actualizadas y confiables que existen sobre la producción y el comercio de madera del mundo, con especial énfasis en las maderas tropicales. Asimismo, incluye información sobre las tendencias registradas en las superficies boscosas, prácticas de manejo forestal y las economías de los países miembros de la OIMT. El documento se basa en información presentada por los países miembros a través del Cuestionario Conjunto del Sector Forestal, complementada con la información de otras fuentes según sea necesario. La Secretaría de la OIMT produce este informe con el fin de ayudar al Consejo Internacional de las Maderas Tropicales a realizar su examen anual de la situación internacional de las maderas conforme a lo estipulado en el artículo 30 del CIMT de 1994.
El texto completo de la reseña de 2006 en formato PDF se puede descargar haciendo clic a la derecha de esta página. Los cuadros estadísticos presentados a continuación están disponibles en archivos Excel; dirija el cursor hacia el final de la página y encontrará las estadísticas de años anteriores.
vía Reseña anual de las maderas del mundo – The International Tropical Timber Organization (ITTO).
noviembre 18, 2010
History of the Convention
History of the Convention
Introduction
The Earth’s biological resources are vital to humanity’s economic and social development. As a result, there is a growing recognition that biological diversity is a global asset of tremendous value to present and future generations. At the same time, the threat to species and ecosystems has never been so great as it is today. Species extinction caused by human activities continues at an alarming rate.
In response, the United Nations Environment Programme (UNEP) convened the Ad Hoc Working Group of Experts on Biological Diversity in November 1988 to explore the need for an. international convention on biological diversity. Soon after, in May 1989, it established the Ad Hoc Working Group of Technical and Legal Experts to prepare an international legal instrument for the conservation and sustainable use of biological diversity. The experts were to take into account «the need to share costs and benefits between developed and developing countries» as well as «ways and means to support innovation by local people».
By February 1991, the Ad Hoc Working Group had become known as the Intergovernmental Negotiating Committee. Its work culminated on 22 May 1992 with the Nairobi Conference for the Adoption of the Agreed Text of the Convention on Biological Diversity.
The Convention was opened for signature on 5 June 1992 at the United Nations Conference on Environment and Development #the Rio «Earth Summit»#. It remained open for signature until 4 June 1993, by which time it had received 168 signatures. The Convention entered into force on 29 December 1993, which was 90 days after the 30th ratification. The first session of the Conference of the Parties was scheduled for 28 November – 9 December 1994 in the Bahamas.
The Convention on Biological Diversity was inspired by the world community’s growing commitment to sustainable development. It represents a dramatic step forward in the conservation of biological diversity, the sustainable use of its components, and the fair and equitable sharing of benefits arising from the use of genetic resources.
noviembre 17, 2010
Why CSCP? – scp-centre.org
Why CSCP?
The ways in which products and services are delivered to our doors have become increasingly complex and global. Actions taken by designers, producers and consumers are all interlinked and can affect each other, and the global environment, in far-reaching ways. For instance, decisions taken by producers about the design of a product may have repercussions for the consumer in terms of the negative environmental effects that result from the use of the product. In the same way, decisions taken by consumers located on one side of the world might influence producers and communities on the other side. The challenge is to manage these interdependencies in a way that advances human development without causing harm to the environment. The CSCP was established in order to meet this challenge.
For more information on the three thematic themes worked on by the CSCP, please consult the page on our topics
noviembre 16, 2010
Forest Products Laboratory – USDA Forest Service
Forest Products Laboratory Our mission: To identify and conduct innovative wood and fiber utilization research that contributes to conservation and productivity of the forest resource, thereby sustaining forests, the economy, and quality of life.
octubre 15, 2010
The Danish EPA – Danish EPA brings the Environment into Focus
Danish EPA brings the Environment into Focus
Less waste and more clean air. less dangerous chemicals and more green companies. the range of environmental tasks is wide, but we stay focused.
By: Director, Lars Hindkjær
People, environment and nature are the threads in the Danish EPA’s work. We are working to protect the environment in the best way possible and make a difference to people as well as nature. For families with children to be able to buy shampoo and toys without having to fear dangerous chemistry. For companies to choose environmental technologies. And for all of us to be able to go to work or school without having air pollution spoil the trip
vía The Danish EPA – Danish EPA brings the Environment into Focus.
octubre 14, 2010
Environmental Impact
Environmental Impact is an internet resource created in response to a demand from the scientific community, policy makers and information specialists for a single comprehensive bibliographic information resource on climate change and other influences of humans on the biosphere. It also covers other aspects of man’s damage to the environment such as pollution, deforestation, desertification and habitat loss.
To see an overview of the latest range of content on Environmental Impact, click on the pictures below to view content for these major subject themes.
vía Environmental Impact.
wood's Blog 