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Mistletoe can be a keystone species for birds in a wooded environment

A keystone species is one that "influences the ecological composition, structure, or functioning of its community far more than its abundance would suggest." (See http://glossary.eea.europa.eu/terminology/concept_html?term=keystone%20species .) Although the term is often thrown about, demonstrating...

The Keystone XL Pipeline Veto: Much Ado ...

By J. Wylie Donald When one talks of pipelines in recent days one hears nearly an incessant buzz about Keystone XL, as if that is where the real action is. But it isn't, notwithstanding the histrionics over President Obama's veto of S.1, the Keystone XL Pipeline Approval Act. The real action...