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Methane: It’s a gas

November 19, 2013 By EarthWise

swamp

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/11/EW-11-19-13-Methane-IV.mp3|titles=EW 11-19-13 Methane IV]

Methane, also known as natural gas, is found at a concentration of nearly 2 parts per million in Earth’s atmosphere.  It comes from a wide range of natural sources, including decay in swamps and seepage from the Earth’s crust. [Read more…] about Methane: It’s a gas

Climate change, oysters, and super-sized crabs

November 18, 2013 By EarthWise

Oysters

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/11/EW-11-18-13-Oysters.mp3|titles=EW 11-18-13 Oysters]

Super-sized crabs may be the next side effect of climate change, according to scientists at the University of North Carolina’s Aquarium Research Center. Researchers analyzed Chesapeake Bay blue crabs kept in both high-carbon and low-carbon tanks. Crabs in the high-carbon tanks grew at almost four times the rate of the other crabs. [Read more…] about Climate change, oysters, and super-sized crabs

The latest word on climate change

November 15, 2013 By EarthWise

Earth

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/11/EW-11-15-13-IPCC.mp3|titles=EW 11-15-13 IPCC]

The Intergovernmental Panel on Climate Change, also known as the IPCC, recently released its latest assessment of the current state of scientific understanding regarding climate change. This is the fifth in the series, which began in 1990.  At more than 2000 pages and with more than 250 authors, the report is a monumental attempt to bring the world’s best scientists together to see where we stand in regard to human impacts on Earth’s climate. [Read more…] about The latest word on climate change

The killing fields

November 14, 2013 By EarthWise

Herbicide Tank

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/11/EW-11-14-13-Herbicide-Resistance.mp3|titles=EW 11-14-13 Herbicide Resistance]

To control weeds, American farmers apply vast amounts of herbicides to their fields each year. Glyphosphate is one of the most widely used herbicides; it’s effective at killing grasses, broadleaf, and woody plants. Crops tolerate it because they are genetically modified to be glyphosphate-resistant.   [Read more…] about The killing fields

Fuel from landfills

November 13, 2013 By EarthWise

Landfill

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/11/EW-11-13-13-Fuel-from-Landfills.mp3|titles=EW 11-13-13 Fuel from Landfills]

Landfills are the third-largest source of human-related methane emissions in the United States.  About 18% of the human sources of this potent greenhouse gas comes from the decomposition of solid waste. [Read more…] about Fuel from landfills

Land use leaves a lasting impact on forests

November 12, 2013 By EarthWise

Delaware

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/11/EW-11-12-13-400-Yr-Old-Forests.mp3|titles=EW 11-12-13 400-Yr-Old Forests]

How do Northeastern forests compare with those a settler might have encountered 400 years ago? According to a new study by researchers at Harvard Forest and the Smithsonian, there are stark contrasts between pre-colonial forests and those of today. [Read more…] about Land use leaves a lasting impact on forests

A bad year for the Arctic

November 11, 2013 By EarthWise

Arctic Ice

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/11/EW-11-11-13-Bad-Year-Arctic.mp3|titles=EW 11-11-13 Bad Year (Arctic)]

According to the National Oceanic and Atmospheric Administration, 2012 was one of the warmest years since global temperatures have been recorded.  This was especially evident in the Arctic, where the effects of warmer temperatures led to several records being broken. [Read more…] about A bad year for the Arctic

Fracking waters contaminate river sediments

November 8, 2013 By EarthWise

Ban Fracking Sign

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/10/EW-11-08-13-Fracking-Radium.mp3|titles=EW 11-08-13 Fracking Radium]

Wastewater is produced during oil and gas production, from both conventional and non-conventional wells, including fracking.  In the exploitation of the Marcellus shale formation for natural gas, some of the flowback water is derived from the fracking fluids used to release the gas at depth. Some is derived from the shale itself. [Read more…] about Fracking waters contaminate river sediments

If you can’t beat 'em, eat 'em!

November 7, 2013 By EarthWise

Lionfish

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/10/EW-11-07-13-Eat-the-Invaders.mp3|titles=EW 11-07-13 Eat the Invaders]

When it comes to seafood, sustainability is a hot topic – around the world, fisheries are over-exploited and popular commercial fish populations are struggling to survive. At the same time, invasive species such as Asian carp are wreaking havoc on ecosystems and further threatening indigenous marine life. [Read more…] about If you can’t beat 'em, eat 'em!

Crowdfunding energy

November 6, 2013 By EarthWise

Wind Turbine

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/10/EW-11-06-13-Crowdfunding-Energy.mp3|titles=EW 11-06-13 Crowdfunding Energy]

Crowdfunding has become very popular for musicians, artists, and even inventors.  Recently, 1,700 Dutch households set a crowdfunding record by raising $1.8 million in just 13 hours.  What did they get for their money?  A 2-megawatt wind turbine. [Read more…] about Crowdfunding energy

Is fresh cafeteria food possible?

November 5, 2013 By EarthWise

cafeteria food

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/11/EW-11-05-13-Cafeteria-Food.mp3|titles=EW 11-05-13 Cafeteria Food]

Like the ironic concept of “jumbo” shrimp, the idea of fresh school meals seems contradictory. After all, tater tots and chicken nuggets are staples in the country’s 30 million daily school lunches. [Read more…] about Is fresh cafeteria food possible?

Methane on the rise

November 4, 2013 By EarthWise

Arctic Ice

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/10/EW-11-04-13-Methane-III.mp3|titles=EW 11-04-13 Methane III]

In coastal ocean sediments, methane produced by decaying organic matter can collect in solid form.  Known as a hydrate, this form of methane is stable at cold temperatures and high pressures. But when it’s brought to the surface, it converts from solid to gas, and the escaping methane can be ignited with a match. [Read more…] about Methane on the rise

Composting: Recycling's final frontier

November 1, 2013 By EarthWise

Compost

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/10/EW-11-01-13-Composting.mp3|titles=EW 11-01-13 Composting]

According to the Environmental Protection Agency, the US produced 250 million tons of municipal solid waste in 2011 and more than half of it was compostable materials such as yard trimmings, paper and cardboard, and food waste. [Read more…] about Composting: Recycling's final frontier

Making Halloween a little greener

October 31, 2013 By EarthWise

Pumpkins

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/10/EW-10-31-13-Green-Halloween.mp3|titles=EW 10-31-13 Green Halloween]

From disposable plastic costumes and decorations to toxic face paint, Halloween can be an ecological nightmare. But with some simple tricks, families can make their festivities a little greener. [Read more…] about Making Halloween a little greener

Tracking disease in a warming world

October 30, 2013 By EarthWise

Coral Reef

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/10/EW-10-30-13-Disease-in-Warming-World.mp3|titles=EW 10-30-13 Disease in Warming World]

Understanding how infectious diseases respond to climate change would help public health officials and environmental managers predict and mitigate disease impacts. [Read more…] about Tracking disease in a warming world

Fighting climate change with trees

October 29, 2013 By EarthWise

Northeast Forest

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/10/EW-10-29-13-Fighting-Climate-Change-Trees.mp3|titles=EW 10-29-13 Fighting Climate Change (Trees)]

Researchers are looking at many approaches to mitigate the effects of increasing carbon dioxide on the climate.  A group of German scientists has proposed a technique that they call carbon farming, which may help remove carbon dioxide from the atmosphere. [Read more…] about Fighting climate change with trees

The road to better batteries

October 28, 2013 By EarthWise

Battery Pack Inspection

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/10/EW-10-28-13-Better-Batteries.mp3|titles=EW 10-28-13 Better Batteries]

Electric cars are becoming more popular all the time, but are still a very small niche in the overall vehicle market because they cost too much and they don’t drive far on a single charge. [Read more…] about The road to better batteries

Testing the value of storage

October 25, 2013 By EarthWise

Solar

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/10/EW-10-25-13-Testing-Storage-Value.mp3|titles=EW 10-25-13 Testing Storage Value]

As the electrical grid comes to depend more and more on intermittent renewable energy sources like solar and wind power, it is becoming important to be able to store electricity for later use. [Read more…] about Testing the value of storage

How hot is your smartphone?

October 24, 2013 By EarthWise

smartphone

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/10/EW-10-24-13-Urban-Temperatures.mp3|titles=EW 10-24-13 Urban Temperatures]

Recent studies suggest that rising temperatures are likely to be associated with changes in mortality in urban areas.  Winter deaths may decline, as the severity of flu and the incidence of slippage on ice both decrease when winters are warmer. [Read more…] about How hot is your smartphone?

A measles-like virus that leads to dolphin loss

October 23, 2013 By EarthWise

Bottlenose Dolphins

[audio:http://wamcradio.org/EarthWise/wp-content/uploads/2013/10/EW-10-23-13-Dolphin-Virus.mp3|titles=EW 10-23-13 Dolphin Virus]

A measles-like virus has been sweeping through bottlenose dolphins along the Eastern Seaboard. Since July, more than 330 dolphins have washed up dead on shore between North Carolina and New York, and many more are likely infected. [Read more…] about A measles-like virus that leads to dolphin loss

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