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Water Power Rise
June 20, 2012 02:40 PM - Andy Soos, ENN

Hydropower or water power is power derived from the energy of falling water, which may be harnessed for useful purposes. Since ancient times, hydropower has been used for irrigation and the operation of various mechanical devices, such as watermills, sawmills, textile mills, dock cranes, and domestic lifts since ancient times. It is one of several renewable power sources. According to the Earth Policy Initiative, world hydroelectric power generation has risen steadily by an average 3 percent annually over the past four decades. In 2011, at 3,500 billion kilowatt-hours, hydroelectricity accounted for roughly 16 percent of global electricity generation, almost all produced by the world’s 45,000-plus large dams. Today hydropower is generated in over 160 countries.

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A New Global Architecture for Sustainability Governance
June 15, 2012 02:34 PM - Editor, Worldwatch Institute

At the upcoming Rio+20 summit from June 20 to 22, political leaders will embark on new measures to achieve sustainability by enhancing institutional capacity. In particular, the summit will seek to improve the United Nations Environment Programme (UNEP) and other institutions in order to enhance the global community's ability to achieve sustainable development. In "A New Global Architecture for Sustainability Governance," Chapter 8 in the Worldwatch Institute's State of the World 2012: Moving Toward Sustainable Prosperity, author and assistant professor of global governance at the University of Massachusetts Boston, Maria Ivanova, examines steps that can be taken to improve UNEP's effectiveness as an environmental institution.

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SPOTLIGHT

5 Most At-Risk Rivers in the World

Aniya Wells, ENN Guest Contributor
It is often said that life began on a river bed. It's no surprise that, still today, the world's rivers make up some of the most fundamental sources of fresh water and habitats for life of all kinds. Unfortunately, some of the largest and most highly-needed rivers are under attack from environmental threats that have already caused potentially fatal disruption. That's why the WWF, World Wide Fund for Nature, compiled a list of some of the most threatened rivers in the world. Based on the results of international assessments, the WWF based their list on six of the most significant threats to rivers: dams and infrastructure, excessive water extraction, climate change, invasive species, over-fishing, and pollution. They singled out rivers that are either already suffering the most as a result of any or all of these threats or are in line to be heavily impacted: 1. Salween — Nu The Salween river basin is the second largest in Southeast Asia and runs, starting along the Southwest edge of China, from the northern edge of India, past Myanmar, Laos, and Thailand, eventually spilling into the Bay of Bengal and Indian Ocean. According to the WWF, 6 million people depend on the Salween to make a living and find sources of protein and nutrient rich food...

What's new on our Community Blog



Bed Bug Report

June 20th, 2012
Bed Bugs-just the words make most people shudder and unconsciously scratch at their skin. For those unfamiliar with this unpleasant creature, the term bed bug refers to tiny (they range in size of a poppy seed to a apple seed) insects in the genus cimex that feed on human blood(they have not be known to [...]
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Capture That Summer Moment

June 17th, 2012
Summer is when a lot of people around the world vacation or just like to have a little more fun than normal. Coincidentally, summer is a chance to catch up on taking a proper gander at the world around you and capturing that moment. No matter how you capture it, (whether it is a mental [...]
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Green Date Night

June 11th, 2012
    As I learned from movies like “Grease”, “The Notebook”, and “Dirty Dancing”, summer is the time for love. Unfortunately not everybody has the time, or money, to go to a summer get-away where they can meet their opposite and fall in madly in love.  So in honor of summer I decided to put [...]
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