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Green chemicals are better but harder to get
Professor Joel Tickner from the University of Massachusetts Lowell discusses how hard it is to make more chemicals green. Green chemistry is a niche industry in the United States in lack of federal funding.
Reading, writing, berries! School gardening03:59
The fight against oil drilling in the Gulf03:49
Transforming trash into incredible tiny homes05:04
Parts of Patagonian glacier collapse00:46
How land grabbing could affect parks07:08
How religion clashes with science06:41