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Science snapshots From Berkeley Lab


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IMAGE: UC Berkeley chemists synthesized flexible polymer membranes, like those currently used in membrane separation processes, but embedded with nanoparticles that can be tuned to absorb specific metal ions - gold.
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Credit: Adam Uliana/UC Berkeley
Improved Desalination Process Also Removes Toxic Metals to Produce Clean Water
-Adapted from UC Berkeley news release by Bob Sanders
Desalination - the removal of salt - is only one step in the process of producing drinkable water, or water for agriculture or industry, from ocean water or wastewater. Either before or after the removal of salt, the water often has to be treated to remove boron, which is toxic to plants, and heavy metals like arsenic and mercury, which are toxic to humans. Often, the process leaves behind a toxic brine that can be difficult to dispose of. ....

United States , Clara Maurel , Ashok Gadgil , Mike Elam , Bob Sanders , Ngoc Bui , Adam Uliana , Kiran Julin , Jonathan Maltz , Ruby Barcklay , Lori Tamura , Vi Rapp , Thomas Budinger , Department Of Earth , Laboratory Directed Research , Partners In Health , National Science Foundation , Rwanda Ministry Of Health , Berkeley Lab Molecular Foundry , University Of Oklahoma , Department Of Energy Office Science , Berkeley Lab Materials Sciences Division , Geophysical Research Letters , Propulsion Laboratory , Berkeley Lab Advanced Light Source , Technology Monitors Endothelial Function To Aid Prevention ,

US power sector is halfway to zero carbon emissions


Credit: Berkeley Lab
Concerns about climate change are driving a growing number of states, utilities, and corporations to set the goal of zeroing out power-sector carbon emissions. To date 17 states plus Washington, D.C. and Puerto Rico have adopted laws or executive orders to achieve 100% carbon-free electricity in the next couple of decades. Additionally, 46 U.S. utilities have pledged to go carbon free no later than 2050. Altogether, these goals cover about half of the U.S. population and economy.
These are ambitious targets, but a new look at the past 15 years in the electricity sector shows that large reductions in emissions are possible. ....

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U.S. Power Sector is Halfway to Zero Carbon Emissions


– By Kiran Julin and Bentham Paulos
Concerns about climate change are driving a growing number of states, utilities, and corporations to set the goal of zeroing out power-sector carbon emissions. To date 17 states plus Washington, D.C. and Puerto Rico have adopted laws or executive orders to achieve 100% carbon-free electricity in the next couple of decades. Additionally, 46 U.S. utilities have pledged to go carbon free no later than 2050. Altogether, these goals cover about half of the U.S. population and economy.
These are ambitious targets, but a new look at the past 15 years in the electricity sector shows that large reductions in emissions are possible. ....

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