Acidic Seas
Feb 12, 2009•5 min
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Episode description
Melting glaciers, rising temperatures and droughts - all are impacts of global warming. What receives much less attention is the toll that climate change is taking on the health of our oceans. The sea, it turns out, absorbs carbon dioxide emissions, which are causing it to become more acidic. Changing pH levels threaten the entire marine food chain from coral reefs to salmon.
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