Changing water temperatures and more frequent, intense storms seem to disrupt the synchronization of the spawning of crabs and the birds that rely on them for food to fuel a 10,000-mile spring migration.
Tornadoes have plagued the U.S. in 2011, leading to record death tolls and property damage across the country. To grasp the scope of devastation, MNN breaks down the numbers behind this year's historic storms.
Jia(Kelly) Li is pursuing her master's degree in hospitality information management at the University of Delaware. As an international student, she cares about the communication issues for environmental protection among countries. She enjoys traveling, likes nature and prefers green food. She firmly advocates that all places around the world should be able to learn and grow to see their own beauty, potential and soul with the proper guidance and protection.
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