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Preventing Pollution

Ships Face New Emissions Rules in North American Waters

The EPA and the International Maritime Organization have announced stricter emissions regulations for ships operating in the waters off the coast of the buying real levitra without prescription U.S. and Canada.

Starting in 2012, ships within 200 nautical miles of the shores will either have to use cleaner, more expensive fuel that contains less sulfur or be equipped with scrubber devices that clean the sulfur dioxide from the exhaust.  By 2016, new ships will have to use advanced emissions control systems.

California already implemented an emissions control zone within 24 nautical miles of its shore last year and cialis online ships have tried avoiding the area.  These new rules extend the control zone along most of North America and much farther out to sea, so avoidance won't be an option anymore.

The EPA says the emissions controls will reduce U.S. NOx emissions by 1.2 million tons annually and particulate matter emissions by 143,000 tons annually.

via Green Inc.


Highly-Efficient CO2-Capturing Crystals

Scientists at UCLA have developed synthetic crystals that trap gasses like a smart sponge.  The crystals are highly selective, allowing them to achieve a 400% improvement in CO2 capture over current technologies.

The crystals are three-dimensional and code information in the same manner as DNA.  While not as sophisticated as DNA, the developers consider it a significant advancement in chemistry and materials science.

The scientists hope the technology could be used to capture CO2 from both large sources like power plants, and smaller ones like vehicle tailpipes and smaller factories.  The material could also potentially be used to convert CO2 into a fuel.

Ideally, these highly efficient crystals could be used for CO2 capture in lots of different settings while we try to transition to propecia price cleaner technologies.

via Treehugger


Federal Climate Change Agency Being Formed

A new federal agency charged with reporting on climate change is being formed.  The National Oceanic and Atmospheric Administration (NOAA) will set up the buy pfizer viagra Climate Service using members of drug propecia the National Weather Service and cheap viagra no prescription other NOAA offices.

Climate operations have been spred out among NOAA offices, but with more and more requests pouring in for information concerning climate change, officials decided to combine those efforts into one main office.  The Climate Service will be headquartered in Washington, D.C. with six regional directors elsewhere in the country.

The agency will still have to be approved by congressional committee, but if it clears all necessary hurdles, it should be up and running by the end of the year.

via Huffington Post


A Safe Way to Dispose of BPA-Containing Plastics

The media coverage of the health dangers of BPA has really reached a fever-pitch these days and, thanks to that coverage, many companies are removing it from their products.  While that is wonderful, there are still many BPA-containing plastics out there and 2.7 million tons of it being made every year.  How do we make sure all that plastic is disposed of safely?

Scientists have come up with a way that they believe decomposes polycarbonate plastic without releasing BPA.  The scientists, Mukesh Doble and Trishul Artham, pretreated polycarbonate with ultraviolet light and heat and then exposed it to three types of buy tramadol single pills fungi known for their pollutant remidiation abilities.

After 12 months, the pretreated plastic had substantially decomposed without releasing any BPA, while the control plastic that was not pretreated before being exposed to the fungi showed almost no decomposition.

via Science Daily




Italy to Plug in Idling Cruise Ships

Italian port cities are planning to pain medication tramadol connect large ships like cruise liners to the grid while they're berthed to cut fuel consumption and potentially slash carbon dioxide emissions by 30 percent and nitrogen oxides and particulate pollution by more than 95 percent.

Venice, Paolo Costa, La Spezia and Lorenzo Forcieri are all expected to install new equipment to allow the ships to plug in to shore-side electricity.  Other cities around the world are experimenting with the same idea, including Los Angeles and Goteborg, Sweden, hoping to eliminate the fuel needs and emissions of onboard generators.

The Italian electricity utility Enel foresees large reductions in pollution and fuel consumption from the practice, but since so far only a few ships are compatible with on-shore electricity, we won't know the full benefits until ports and wow look it discount drug cialis ships are equipped and the generators are turned off.

via Green Inc.

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