I saw this video on the news tonight. I plan on using it in the water unit. It talks about how most commercial bottled water is just tap water and is actually less regulated than most municipal tap water systems. I have been looking for a short little clip on this topic - my 5 minutes of tv viewing paid off today!
Also, last year my GL kids started a school-wide audit of carbon emissions at the end of the semester. We used materials from PSE's Cool School Challenge. They seem to have enhanced their materials over the summer - I would encourage us all to take a look.
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