Algal turf scrubbers are field-sized, water-treatment systems that can extract excess nutrients from streams, canals, and lakes polluted by agricultural, domestic, and some industrial runoff.
A collaborative effort involving public school systems, a waste hauler, a foodservice distributor, and Dart Container Corp. to recycle foam school lunch trays has hit a new milestone in California – with more than one million trays now being collected and recycled each month.
Aquaculture is the fastest growing form of food production in the world, accounting for 50 percent of all seafood consumed globally.
The utility could provide individuals their energy-usage information in real time, which enabled them to make informed choices to reduce their electricity demand.
Kevin Chen wants to prevent future environmental disasters caused by oil spills, and thanks to the EPA, the Polytechnic Institute of New York University sophomore is one step closer.
The U.S. Postal Service reported an 8 percent reduction in greenhouse gas emissions from a fiscal year (FY) 2008 baseline. The reduction of 1,067,834 metric tons of carbon dioxide is an amount equal to the annual emissions of approximately 204,000 passenger vehicles.
New technologies can improve agricultural sustainability in developing countries, but only with the engagement of local farmers and the social and economic networks they depend on, say Stanford University researchers.
Researchers have created a system, called EnergJ, that reduces energy consumption in simulations by up to 50 percent, and has the potential to cut energy by as much as 90 percent.
A much larger portion of Americans have access to recycle plastic bottles and also can recycle other types of plastic containers, such as yogurt cups, dairy tubs, and lids.
The U.S. Army's Tank Automotive Research, Development and Engineering Center (TARDEC) demonstrated the Clandestine Extended Range Vehicle (CERV) as part of special events ramping up to the Indianapolis 500. The U.S. Army labeled the CERV as one of the "greenest technologies" and demonstrated how its advanced hybrid electric powertrain developed by Quantum Fuel Systems Worldwide Inc. and TARDEC saves taxpayer dollars and soldiers' lives.
According to a recent report from Pike Research, despite limited production to date, the scale-up potential of algae is substantial compared to other non-food based feedstocks.
Supermarkets are among the most energy-intensive buildings around, and refrigeration uses more than half of that energy. That doesn't even include the harm that leaking refrigerants cause to the ozone layer. EPA's GreenChill program works with companies and their refrigeration engineers across the country to help program participants lower their refrigeration emissions of all kinds.
- By Laura Williams
- May 31, 2011
The Octagon, a LEED Silver 500-unit apartment community on Roosevelt Island, made green history by becoming the first residential building in the State of New York to be powered and heated by a 400 kW fuel cell from UTC Power.
The United States Agency for International Development, working with the U.S. Department of Energy to cooperate with Russia on energy-efficiency efforts and smart grids, is supporting efforts to share experience and best practices among U.S. and Russian municipalities and utilities.
The PNC Financial Services Group Inc. plans to construct the world’s most environmentally friendly skyscraper in Pittsburgh.
Nine partners from seven countries have joined in a project to show that ethanol, biodiesel and bioproducts can be produced from algae on a large scale.
Schools across America recycled more than 2.3 million aluminum beverage cans through a new national recycling competition sponsored by the can industry. The recycled cans, totaling more than 68,000 pounds, generated more than $34,000 for school activities and other uses.
Computer simulation studies by scientists at the U.S. Department of Agriculture suggests that a dairy cow living year-round in the great outdoors may leave a markedly smaller ecological hoofprint than its more sheltered sisters.
The map provides detailed graphs and analysis of 40 social enterprises in 16 countries that are overcoming vast hurdles in their respective markets to bring electricity or alternative fuel to 500 to 500,000 people apiece.
Klaus Reichardt, CEO of Waterless Co., said his conclusion is based on a new book, "The Big Thirst," by Charles Fishman.