The cost of plant sustainability now less than ignoring it

In honor of Earth Day (April 22), energy optimization company Lightapp Technologies is giving away 100 air quality monitoring devices (one per plant), along with their software to help manufacturers operate more responsibly and sustainably by tracking air quality. You can go to their site for more on that, but the message, it seems, may be more valuable than the monitor: A plant can decrease emissions and make more money doing it. Read more here