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Biofuels and Biodiversity: Principles for Creating Better Policies for Biofuel Production Export

Conservation Biology, Vol. 0, No. 0. (0), pp. ???-???.

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Abstract: Biofuels are a new priority in efforts to reduce dependence on fossil fuels; nevertheless, the rapid increase in production of biofuel feedstock may threaten biodiversity. There are general principles that should be used in developing guidelines for certifying biodiversity-friendly biofuels. First, biofuel feedstocks should be grown with environmentally safe and biodiversity-friendly agricultural practices. The sustainability of any biofuel feedstock depends on good growing practices and sound environmental practices throughout the fuel-production life cycle. Second, the ecological footprint of a biofuel, in terms of the land area needed to grow sufficient quantities of the feedstock, should be minimized. The best alternatives appear to be fuels of the future, especially fuels derived from microalgae. Third, biofuels that can sequester carbon or that have a negative or zero carbon balance when viewed over the entire production life cycle should be given high priority. Corn-based ethanol is the worst among the alternatives that are available at present, although this is the biofuel that is most advanced for commercial production in the United States. We urge aggressive pursuit of alternatives to corn as a biofuel feedstock. Conservation biologists can significantly broaden and deepen efforts to develop sustainable fuels by playing active roles in pursuing research on biodiversity-friendly biofuel production practices and by helping define biodiversity-friendly biofuel certification standards. Biocombustibles y Biodiversidad: Principios para la Creacion de Mejores Politicas para la Produccion de Biocombustible Resumen: Los biocombustibles son una nueva prioridad en los esfuerzos para reducir la dependencia en combustibles fosiles. Sin embargo, el rapido incremento en la produccion de materias primas para los biocombustibles puede amenazar a la biodiversidad. Hay principios generales que deberian ser considerados para el desarrollo de directrices para la certificacion de biocombustibles amigables con la biodiversidad. Primero, las materias primas para los biocombustibes deberian ser cultivados con practicas agricolas seguras ambientalmente y amigables con la biodiversidad. La sustentabilidad de cualquier materia prima para biocombustibles depende de las buenas practicas de cultivos y de practicas ambientales sanas a lo largo del ciclo de vida de la produccion de combustible. Segundo, la huella ecologica de un biocombustible, en terminos de la superficie requerida para producir cantidades suficientes de material prima, debe ser minimizada. Las mejores alternativas parecen ser combustibles del futuro, especialmente combustibles derivados de microalgas. Tercero, los biocombustibles que pueden secuestrar carbono o que tienen balances de carbono negativos o neutros, cuando vistos en el contexto de todo el ciclo de vida de produccion, deben recibir alta prioridad. El etanol a base de maiz es la peor de las alternativas disponibles actualmente, aunque es el biocombustible mas avanzado para produccion comercial en los Estados Unidos. Instamos a la busqueda de alternativas al maiz como materia prima para biocombustibles. Los biologos de la conservacion pueden ampliar y profundizar significativamente los esfuerzos para desarrollar combustibles sustentables al jugar papeles activos en la investigacion sobre practicas para la produccion de biocombustibles amigables con la biodiversidad y al ayudar a definir estandares de certificacion para biocombustibles amigables con la biodiversidad.


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