Lead Stories

Science and the Environment
5:11 pm
Fri December 12, 2014

CO2 and the History of Weighing Smoke

The science of weighing carbon gas is tied to Sir Walter Raleigh's attempt to weigh smoke after a wager with Queen Elizabeth I.
Courtesy of Louis Vest, flickr.com/photos/oneeighteen

Originally published on Fri December 12, 2014 11:36 am

Officials from countries around the word have met for the last two weeks in Lima, Peru to talk global climate change.   At the heart of those talks is how to limit billions of tons of CO2 that are pumped into the atmosphere every year from coal burning power plants.  

But how do we keep track of the CO2 we’re releasing? And just how do we weigh something that floats in the first place? 

It turns out there is a venerable history to the science of weighing smoke.

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Texas News
5:10 pm
Fri December 12, 2014

The First All-Drone Airport is Opening in Texas

A Grey Shadow drone, the same type of aircraft slated to be housed at a new complex in El Paso's Fort Bliss.
Flickr user Greg Goebel, https://flic.kr/ps/z7irw

Originally published on Fri December 12, 2014 2:33 pm

In Fort Bliss military base in El Paso, Texas a new airport is being built. But it won't cater to pilots or offer any amenities common to the typical airstrip –because this one is being built exclusively to house the U.S Army aerial drones.

If an aerial drone fleet housed in a state of the art bunker sounds like something out of a science fiction movie, you're not far off. The Texas Standard's David Brown speaks with John Horgan, writer for the Scientific American online and teacher at the Stevens Institute for Technology

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Politics
4:58 pm
Fri December 12, 2014

Texas Has Most Hazardous Chemical Plants In U.S.

Jill Ament

After the 2013 fertilizer explosion in West, President Obama issued an executive order to make chemical facilities across the country safer. But since then, little has been done to secure those facilities and according to a Congressional report, Texas has the highest number of hazardous chemical plants in the nation.


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Business Review Dec. 11, 2014
12:56 pm
Fri December 12, 2014

Business Review - The Untapped Economic Potential of Women

Investing in women -- especially those who are in developing countries -- leads to larger economic returns, says one former U.S. Ambassador. It leads to better communities, better families, a better country and a better economy. (*ENCORE)


World
8:27 am
Fri December 12, 2014

Climate Sticking Point: Who Cuts And By How Much?

U.S. Secretary of State John Kerry delivers a speech Thursday at the U.N. Climate Change Conference in Lima, Peru. A major sticking point remains over how to divide greenhouse emissions targets.
Rodrigo Abd AP

Originally published on Fri December 12, 2014 1:37 pm

U.N. talks on global warming are wrapping up in Peru, but a divide between rich and poor countries and how to divvy up targets to reduce greenhouse gases is a key sticking point that has remained unresolved.

U.S. Secretary of State John Kerry has acknowledged that the issue is "hard fought and ... complex," but he says it is crucial that the targets be agreed on before next year's summit in Paris. The talks in Peru end today.

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