We try to look smart, witty and interesting, but the effort required to do this leaves less brain power to filter what we say and to whom.

WSJ: What Makes People Overshare?

The power needed to run the filter can be provided by any device that can provide 20 volts, such as a small solar panel.

CNN: Nanotech and 'tea bag' to clean up drinking water

Beyond that, it was fascinating to see seeing what Detroit automakers are doing to reduce their carbon footprints, like using green roofs that insulate their buildings, porous pavement to filter rain water and even solar panels to help power their facilities.

FORBES: An Eye-Opening Trip To The Motor City

Featuring a touch screen display, the Wi-Fi Smart Thermostat is equipped with mobile and email alerts that put homeowners in control by notifying them when their home is too hot or cold, the humidity level is too high or too low, when the filter needs to be changed, or if the ho me loses power or Internet connectivity.

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