Politica nacional sobre areas protegidas y corredores ecológicos de la república dominicana
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Author(s): Eleuterio, Martinez

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Finding the Circle's Center
In this video segment from Cyberchase, the CyberSquad must find the exact center of a circle in order to save Motherboard.
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Science Sampler : The scientific method -- Is it still useful?
Many scientists and science educators contend that a structured scientific method does not exist, while others might argue that the scientific method is too simplistic in its approach to scientific inquiry. This article addresses the dilemmas surrounding the scientific method, and provides suggestions that will enable you to ?meld the method with process skills.?
Author(s): Linda James,Scott B. Watson

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Permission to reproduce content is granted in advance under the following circumstances: (1) All educators may reproduce up to five copies of an NSTA article for personal use only. This does not inclu

Ocean Surface Topography from Space
The Global Conveyer Belt shows how the oceans move energy from the tropics to the poles and back again in order to moderate Earths climate. This is accomplished through long-term ocean circulation. This on-line tutorial about ocean circulation features text, pictures, and satellite imagery with links to topics such as ocean heat transport, the coriolis effect, hills and valleys in the ocean, measurement and motion in the wind and ocean, changes in sea height over time, and El Nino.
Author(s): Margaret Srinivasan

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5.3 Global warming
To be able to understand the importance of the environment for our health, we need to know a little about the interdependence between environment and humankind. This unit will look at interactions between plants, animals and the physical and chemical environment, as well as considering ways in which humans have altered, and are altering this environment. These changes have health implications that are not always immediately obvious. Frequently, we initiate changes that are going to have their ef
Author(s): The Open University

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Rice farming and rural life in Vietnam
Photographs and text tell the story of rice and rural life in Southeast Asia, with an emphasis on the highlanders, or Montagnards.
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4.3.2 Wave power
Access to safe, clean and sustainable energy supplies is one of the greatest challenges facing humanity during the twenty-first century. This unit will survey the world’s present energy systems and their sustainability problems, together with some of the possible solutions to those problems and how these might emerge in practice.
Author(s): The Open University

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4.3.1 Wind energy
Access to safe, clean and sustainable energy supplies is one of the greatest challenges facing humanity during the twenty-first century. This unit will survey the world’s present energy systems and their sustainability problems, together with some of the possible solutions to those problems and how these might emerge in practice.
Author(s): The Open University

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4.3 Indirect use of solar energy
Access to safe, clean and sustainable energy supplies is one of the greatest challenges facing humanity during the twenty-first century. This unit will survey the world’s present energy systems and their sustainability problems, together with some of the possible solutions to those problems and how these might emerge in practice.
Author(s): The Open University

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4.2 Solar energy
Access to safe, clean and sustainable energy supplies is one of the greatest challenges facing humanity during the twenty-first century. This unit will survey the world’s present energy systems and their sustainability problems, together with some of the possible solutions to those problems and how these might emerge in practice.
Author(s): The Open University

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4.1 What are renewable energy sources?
Access to safe, clean and sustainable energy supplies is one of the greatest challenges facing humanity during the twenty-first century. This unit will survey the world’s present energy systems and their sustainability problems, together with some of the possible solutions to those problems and how these might emerge in practice.
Author(s): The Open University

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3.6 Summary
Access to safe, clean and sustainable energy supplies is one of the greatest challenges facing humanity during the twenty-first century. This unit will survey the world’s present energy systems and their sustainability problems, together with some of the possible solutions to those problems and how these might emerge in practice.
Author(s): The Open University

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3.5 Hydroelectricity
Access to safe, clean and sustainable energy supplies is one of the greatest challenges facing humanity during the twenty-first century. This unit will survey the world’s present energy systems and their sustainability problems, together with some of the possible solutions to those problems and how these might emerge in practice.
Author(s): The Open University

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3.2 Fossil fuels
Access to safe, clean and sustainable energy supplies is one of the greatest challenges facing humanity during the twenty-first century. This unit will survey the world’s present energy systems and their sustainability problems, together with some of the possible solutions to those problems and how these might emerge in practice.
Author(s): The Open University

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3.1 Introduction
Access to safe, clean and sustainable energy supplies is one of the greatest challenges facing humanity during the twenty-first century. This unit will survey the world’s present energy systems and their sustainability problems, together with some of the possible solutions to those problems and how these might emerge in practice.
Author(s): The Open University

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2.1 What is energy?
Access to safe, clean and sustainable energy supplies is one of the greatest challenges facing humanity during the twenty-first century. This unit will survey the world’s present energy systems and their sustainability problems, together with some of the possible solutions to those problems and how these might emerge in practice.
Author(s): The Open University

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Next steps
What is ecology and why is it important to our understanding of the world around us? This unit looks at how we can study ecosystems to explore the effect that humans are having on the environment.
Author(s): The Open University

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9 Next steps
What is ecology and why is it important to our understanding of the world around us? This unit looks at how we can study ecosystems to explore the effect that humans are having on the environment.
Author(s): The Open University

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8 Summary
What is ecology and why is it important to our understanding of the world around us? This unit looks at how we can study ecosystems to explore the effect that humans are having on the environment.
Author(s): The Open University

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7 Ecological health
What is ecology and why is it important to our understanding of the world around us? This unit looks at how we can study ecosystems to explore the effect that humans are having on the environment.
Author(s): The Open University

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