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The Universe at Your Fingertips 2.0 DVD from the Astronomical Society of the Pacific is in our online store, filled with Earth and space science resources.

Changing Planet: Withering Crops

What will happen to crops, as Earth's temperature rises and soils dry out because of changing climate? A loss of soil moisture causes stress to plants, leading to crop withering. Since humans and animals depend on crops for food, many social problems can be expected to arise due to the impact of climate warming on crops, and the societies that depend on them. Droughts accompanied by increased temperatures can lead to famine, and eventually social and political disruptions. Scientists are studying these problems, and are helping with early identification of drought that might trigger food shortages.

Click on the video at the left to watch the NBC Learn video - Changing Planet: Withering Crops.

Lesson plan: Changing Planet: Withering Plants - Stressing Over Lost Water

Last modified February 10, 2011 by Roberta Johnson.

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Traveling Nitrogen is a fun group game appropriate for the classroom. Players follow nitrogen atoms through living and nonliving parts of the nitrogen cycle. For grades 5-9.

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF