Archive for December, 2011
In Houston, LEED Schools Get More Than an E For Effort
Posted by Efficient Solar Panels in Efficient Solarpanels on December 11th, 2011
In Houston, LEED Schools Get More Than an E For Effort
We send our children to school every day and ask them to learn. They are, after all, the future of our world; and so we ask them to learn about right and wrong, learn about the world, and learn how to take care of each other. But do we want them to learn how to take care of the world, too?
That is what LEED Green Building schools in Houston and around the nation are doing. They are teaching the children, through example, what it means truly to earn an A for awareness of the environment’s needs. They stand for the future of America as a benchmark of creation care.
LEED Green Building schools are K-12 schools that are tailor-made to produce an environment safe and healthy for children, comfortable for teachers, cost-effective for the taxpayers, and easy on the environment. By addressing the uniqueness of school spaces and children’s health issues, LEED for Schools provides a unique, comprehensive tool for schools that wish to build green with measurable results. The rating system addresses issues such as classroom acoustics, daylight and views, mold prevention, and environmental site assessment.
In addition, Green schools cost less to operate, freeing up resources to truly improve students’ education. Their carefully planned acoustics and abundant daylight make it easier and more comfortable for students to learn. Their clean indoor air cuts down sick days and gives our children a head start for a healthy, prosperous future. And their innovative design provides a wealth of hands-on learning opportunities.
No longer must they learn through books about environmental safety and/or green projects around the world. Instead, they can learn hands-on at school – through observation and through practice.
Houston has taken the lead around the nation in building green schools. The Houston chapter is dedicated to showing school district leaders how the LEED FOR SCHOOLS process can benefit them. Other leading organizations in the area are also committed. Earlier this year, the Houston-Galveston Area Council joined with the Houston chapter to produce a year-long symposia to educate the public and educators about the facts and costs for LEED FOR SCHOOLS.
They ideally will have all their schools “Go Green” over the course of the next 10 years.
Other cities are following their lead. Salt Lake City, Grand Rapids and Seattle are all among the top cities with at least three green schools. And more are being built monthly. Both students and parents, teachers and administrators see the need and the benefits for green schools, and are lobbying for all school to change their ways.
For students and teachers, green schools mean reduced incidence of asthma, decreased absenteeism, improved academic performance and increased teacher satisfaction. For parents, green schools offer the confidence that comes with knowing their children spend their days in an environment that is both healthy and conducive to learning.
Green Schools get more than an E for effort. They are the bright and healthy future for our children.
Copyright 2009 - 2010 theLEED.com and Green Efficient. Article may be reproduced, unchanged, as long as it retains author information and linking.
Rick Walker is the CEO of Green Efficient. GreenEfficient is the leader in the LEED building maintenance and operations market. Primarily serving Texas, their LEED Accredited Professionals (LEED-APS) manage commercial facilities using their integrated services portfolio of LEED-compliant janitorial services, Integrated Pest Management services, HVAC maintenance, lawn care services, purchasing oversight, occupant training and USGBC submittal services. Offices in Houston, Austin, Dallas and Corpus Christi enable the most active Texas LEED construction markets to be covered by their specialty services. For information on LEED, green building and sustainable products, visit their blog: theLEED
Green Energy Technologies
Posted by Efficient Solar Panels in Efficient Solarpanels on December 5th, 2011
A Change in Krill Ecosystem
Antarctic Peninsula has been experiencing warming trends for over 40 years with an increase of 2-3 C, thus correlating with lower sea ice conditions in the Amundsen Sea and Bellinghausen Sea. Warming temperatures around the Antarctic Peninsula is changing the dynamics of the ecosystem. The rise in atmospheric temperature is causing increasing in melting of freshwater glaciers and ice shelves. Fresh water emerging into the sea counteracts the salinity within a regional area. Changes identified are;
• Decrease in sea water salinity up to 60 miles offshore
• Lower sea ice
• Decreased krill population
• Increased salp (open ocean tunicate that is reminiscent of a jelly-fish) population
• Increase in cryptophytes (single cell phytoplankton algae)
• Decrease in diatom phytoplankton
• Increase in carbon sequestering in deep ocean sinks
• Decrease in carbon availability in the food chain
The Antarctic Krill (Euphausia superba), a small shrimp like crustacean is the most important zooplankton species associated with the sea ice and plays a crucial role in the Antarctic food web. On a regional basis the amount of krill appear to be declining in the southern ocean. There are definitely lower trends in krill population during lower sea ice years around Antarctica. Part of the rational for the population decline is that ice algae rely on the sea ice for protection and growth. The krill need the sea ice in order to feed on the algae and phytoplankton.
Krill occur in groups or large swarms. They are less than 3 inches in size and feed primarily on phytoplankton and sea ice algae. Krill filter diatom phytoplankton out of the water column and scrape algae from the sea ice. Apart from frequenting the sea ice to feed, krill in particular juveniles, seek protection from predators in the many nooks and crannies formed by the deformed sea ice floes. Krill is the staple food of many fish, birds and mammals in the Southern Ocean. The biomass of Antarctic krill is considered to be larger than that of the earth’s human population.
Sea- ice algae utilizes atmospheric carbon dioxide for its energy source, the same as plants do on land. Krill diet of the sea-ice algae and phytoplankton is essential for converting the carbon for use in higher animals such as fish, birds, and whales. This carbon conversion is a very critical role in predatory nutrition. Additionally krill do eliminate some of the silica from the diatom shells and carbon in sticky balls that sinks nearly two miles into the deep ocean. These cold, deep waters are able to contain carbon dioxide and prevent the gas from rising to the surface, thus immobilizing carbon that is not passed into the food chain.
In recent years there have been increases in algae phytoplankton called cryptophytes. Mark Moline, California Polytechnic State University, states that the cryptophyte population correlates with warmer temperatures and lower salinity waters that are produced by the melting of the freshwater glacier. Cryptophytes measure around 2 mm, while other plankton in the Antarctic waters are much larger and measure 15 to 270 mm. Along with the increase in cryptophyte population an increase in salp, a pelagic tunicate, population has also occurred. There are differences between salps and krill. Salps feeding efficiency is capable of grazing on smaller food sources less than 4mm, whereas, the Antarctic Krill efficiency declines on any food less than 20 mm. The salps compete with krill for the phytoplankton and thus decrease the krill population. Additionally the salps feed on krill larvae, which also cause a decline in krill numbers.
The warming trend in the Antarctic Peninsula is showing a pattern of increasing cryptophytes over other phytoplankton and the increase in the salp. This influence is due to the low sea ice and the lowering of the salinity in the seawater. Salps and cryptophytes do better in the lower salinity, while the krill and other plankton are unable to tolerate the increased freshwater regime from the glacier ice melts. This selectivity gives preference to the salps as the dominant species while decreasing krill abundance. During lower sea ice seasons the density of krill declines while the salp population increases.
Carbon sequestering into the deep ocean from the algae and phytoplankton occur by both the salp and krill. Both species eliminate the atmospheric carbon received from the primary producing algae by producing fecal pellets by the salps and sticky balls by the krill, thereby, reducing the amount of carbon dioxide in the atmosphere. The salps though sequester more carbon into the cold deep ocean than the krill. However, the krill provides the most efficient pathway for carbon transfer up into the food chain. The cryptophyte dominated waters are less efficient in the food chain due to increased feeding by salps and the difficulty of the krill to utilize the cryptophytes as a food source. Migration patterns by penguins are changing, in part due to the changing krill population. Krill is a mainstay diet for penguins, and if the krill population changes, many other ecological changes occur with it.
Steve Bynum has worked at Palmer Station along the Antarctic Peninsula. He not only enjoyed the ecosystem along the Bellinghausen Sea but he has also witnessed the changing climate conditions.
Join Steve at http://www.climatechangenewsletters.com as we take a journey to discover the warming and cooling effects of our planet.
It is a Real Threat: Hazardous Waste
Posted by Efficient Solar Panels in Efficient Solarpanels on December 3rd, 2011
It is a Real Threat: Hazardous Waste
For those staying in urban and suburban areas, we enjoy the regular collection of waste and recyclable materials. However, what most of us are not aware is the waste that is brought to dumps is actually many times more toxic than it was 30 years ago.
Hazardous Home Wastes
It is surprising just how toxic our world has become in just a few years. Synthetic chemicals didn’t even exist in any significant numbers before the turn of the 20th century. In the past, home furnishings were made of natural materials, such as carpets, pillows, curtains, bath items and towels. The things that are in the most and close contact with us each day, especially those made before 1980, were made of sustainable and renewable resources.
However, this is no longer true today. Every time when we replace our furnishing, we are trashing away materials that could contain chemicals, such as batteries and electronics. These home wastes are part of the hazardous waste brought to dumps each day.
Hazardous Waste In Overwhelmed landfills
In many countries, the problem of hazardous waste is compounded by the crisis of overwhelmed landfills. The danger from this waste getting loose in the environment is even more serious and precarious than ever. Increased danger of containment systems being breached is very real.
As pressure on forest and agricultural lands mounts, erosion due to major storm events could unleash these toxins into the ecosystems that is already fragile and damaged. Hazardous waste is becoming an acute problem beyond management in many countries.
Ben provides consultancy to real and virtual estate owners. Eco-Renewable Resources is one of Ben’s interest, with particular business focus on Sustainable Development