Saturday, March 26, 2011

Writing Assignment

     The Earth Sciences Division at Lawrence Berkeley National Laboratory (Berkeley Lab) examine carbon dioxide underground, a study conducted by Ehling-Economides claimed that carbon dioxide cannot be stores underground.  With these findings Berkeley Lab researchers consider a closed system surface formations, a limited mechanisms to release the pressure build-up from the injection of carbon dioxide, the key to this is the amount of carbon dioxide can be safely stored underground.  Dr. Quanlin Zhou the lead researcher stated that "pressure build-up may have a limiting effect on storage capacity, it is not as significant as claimed previously by Ehlig-Economides and Economides" (Wiley-Blackwell). With three different types of storage reservoirs closed, partially closed and open, the carbon dioxide storage deep underground will be mainly partially closed or open formations to build-up pressure so it can be release by movement of native saline waters into regions far away from where carbon dioxide injection occurs.


Go to fullsize image1. With carbon dioxide being stored undergound is it safe for living creatures that lives there?
2. What effect do this have on our climate?  What kind of changes take place?

Wiley-Blackwell.  e! Science News.  Carbon capture and storage:
     Carbon dioxide pressure dissipates in underground reservoirs.  March 22, 2011.
http://www.esiencenews.com/

   
  

Tuesday, March 8, 2011

Writing Assignment

     If your garden was threaten by bugs or other critters.  What would you do?  Chemicals are not always the answer.  Although pesticides, herbicides and fungicides may be designed to kill plant pests, they can be lethal to more than just plants.  It can harm butterflies, ladybugs and bees these insects help our gardens grow healthyand stay that way, harsh garden chemical can destroy chances for that. The trouble is that these chemicals have a toxic residue which can leak into groundwater, where as small plants, fish...........may be rural.  The Enviromental Protection Agency states that lawn pesticides contain carcinogens in large quantities, that causes birth defects, gene mutations, nervous system damage, liver and kidney damage.


1.What type of chemicals would be consider safe for the environment?
2.How often would can these  chemicals be used?

Zimmerman, Sacha.  2011,The Reader's Digest Association:  How to Grow 
     a Chemical-Free Garden.
www.rd.com/home/for-america-grow-a-chemical-free-garden.