Watch now: Researchers harvest and weigh basil at Biosphere 2 gardens
Researchers harvest and weigh basil at gardens outside Biosphere 2. The gardens are part of an experiment on new crops and growing techniques for hotter, drier desert conditions expected as a result of climate change. This includes looking at the differences between full exposure gardening, utilizing shade of solar panels and various ranges of watering. (Josh Galemore / Arizona Daily Star)

