By XiaoZhi Lim
Fernando Rosario-Ortiz, an environmental chemist at the University of Colorado, Boulder, studies how water and soil chemistries change after a wildfire, and advises local drinking-water providers in Colorado and elsewhere on how to treat water from burned watersheds.
Youtube ID: YKDoNtlvsMU
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Clearing the Air
By Jeffrey Deakin
More than 70 years ago, a deadly smog helped spur a national fight against air pollution. Today, most of us breathe cleaner air, but at least one primary pollutant is still putting the health of many at risk.
By Jeff Johnson/Chemical & Engineering News
The huge amount of carbon dioxide the world has released into the atmosphere is causing the climate to change. Learn what methods scientists and others are using to remove the greenhouse gas from the air.
Why Avocados Are So Appealing
By Raadhia Patwary
Avocados have become so popular that entire merchandise lines have been devoted to them. How did the once obscure fruit become a common ingredient to smear on toast, blend in smoothies, and top our salads?