But Mr. Blaney, assistant director at the nonprofit Atlantic Canada Conservation Data Center, says a native Canadian variety deserves to be on the note instead.

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As long as energy is a precious resource, data center managers will continue looking for ways to improve conservation.

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And if you go to things like the Environmental Media Association, the PGA (they have a green committee), the Center for Environmental Filmmaking, Filmmakers for Conservation, all of these organizations are coming together trying to reduce the overall carbon footprint.

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After a year of conservation that fully revealed their rich, varied palette, the six paintings are the center of an informative survey, "Rising Up: Hale Woodruff's Murals at Talladega College, " organized by Stephanie Heydt of the High Museum of Art, Atlanta, in collaboration with the college.

WSJ: Rising Up: Hale Woodruff's Murals From Talladega College | High Museum of Art | From Mutiny to Harmony | By Karen Wilkin