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The Keystone XL Pipeline Veto: Much Ado ...
Posted on 11 Mar 2015 by J. Wylie Donald

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... Read More

Tags: pipeline , coal , natural , keystone , oil , gas

Mistletoe can be a keystone species for birds in a wooded environment
Posted on 3 Apr 2013 by Thomas H. Clarke, Jr.

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... Read More