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Este libro está dirigido a toda aquella persona que tenga interés y preocupación por los problemas ambientales que aquejan la ciudad, principalmente a los tomadores de decisiones tanto políticos como técnicos, que se centran en la gestión ambiental y la planeación urbana, en busca de elevar los estándares de sustentabilidad en la ciudad. Así mismo, a los investigadores que trabajan desde enfoques interdisciplinarios de análisis y gestión ambiental urbana y aquellos estudiantes de pregrado y postgrado, que tengan interés en profundizar sobre temas ambientales urbanos. También profundiza en el concepto de desarrollo sustentable y la viabilidad de orientar la ciudad hacia un modelo de sustentabilidad urbana. La tesis central de este libro es demostrar, a través de diversas modelaciones de nuestro objeto de estudio, si la restauración ambiental de estos suelos urbanos deteriorados ayudaría al mejoramiento de la sustentabilidad en la ciudad, en el momento de la toma de decisiones y gestión de recursos para el ordenamiento urbano. Todo lo anterior a partir de un ejemplo concreto como es el Valle Medio del Sistema de Preservación Ecológica Río Tunjuelito, en la ciudad de Bogotá, Colombia.
The International Assessment of Agricultural Knowledge, Science, and Technology for Development (IAASTD) looks realistically at how we could effectively use agriculture/AKST to help us meet development and sustainability goals. An unprecedented three-year collaborative effort, the IAASTD involved more than 400 authors in 110 countries and cost more than $11 million. It reports on the advances and setbacks of the past fifty years and offers options for the next fifty years. The results of the project are contained in seven reports: a Global Report, five regional Sub-Global Assessments, and a Synthesis Report. The Global Report gives the key findings of the Assessment, and the five Sub-Global Assessments address regional challenges. The volumes present options for action. All of the reports have been extensively peer-reviewed by governments and experts and all have been approved by a panel of participating governments. The Sub-Global Assessments all utilize a similar and consistent framework: examining and reporting on the impacts of AKST on hunger, poverty, nutrition, human health, and environmental/social sustainability. The five Sub-Global Assessments cover the following regions: Central and West Asia and North Africa (CWANA) East and South Asia and the Pacific (ESAP) Latin America and the Caribbean (LAC) North America and Europe (NAE) Sub-Saharan Africa (SSA)
The North American Mosaic has four overarching features. First, it is, to the extent feasible, based on comparable information on the status and trends of major indicators of the state of the environment in Canada,Mexico, and the United States. Second, the report confirms that these three countries together make up an incredibly complex, dynamic, and interconnected ecosystem in which humans play a dominant and decisive role. Third, the report raises important and sometimes disquieting questions concerning the sustainability of some current trends. Finally, the report is a reminder that our economic, social, and physical well-being are utterly dependent on the life-sustaining services provided by nature. This report emphasizes the importance of developing mutually compatible economic, social, and environmental goals and policies across the three-country region.
Vacant urban land--the product of land market activity, the actions of private agents, and the policies of public agents--is an important challenge for policy makers. Vacant lots on the urban fringe and in central and interstitial areas have affected growth patterns in Latin America. Contributors to this book analyze the problems and opportunities related to vacant urban land in five cities: Buenos Aires, Argentina; Rio de Janeiro, Brazil; Quito, Ecuador; Lima, Perú; and San Salvador, El Salvador.
Landscape Ecology is an emerging science of gaining momentum over the past few decades in the scientific as well as in the planning-management worlds. Although the field is rooted in biology and geography, the approaches to understanding the ecology of a landscape are highly divers. This hybrid vigor provides power to the field. One can no longer view a local ecosystem or land use in isolation from global areas and time frames. The surrounding landscape mosaic and the flows and movements in a landscape must be considered, especially the linkage between humans requiring resources provided by nature, the constraints on their use as well as the responding landscape.