U.S. President Barack Obama ordered the federal government to promote greener employee commuting habits, reduced business travel and other measures to scale back indirect greenhouse gas emissions by 13 percent by 2020.

Here are some great summaries and a video of the recent Velo-city Global conference in Copenhagen.

? The company’s sixth annual corporate citizenship report shows that, despite a 14 percet drop in revenue due to the Great Recession, GE has cut its water, energy and emissions intensity by more than 30 percent each.

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The key to achieving sustainable, global population growth, according to Doctor Hans Rosling in a recent TED Talk, is raising the standard of living of the world’s poor.

?Will a one-degree change in the temperature at News Corp.’s printing plant bring energy savings and be accepted by employees?

Kohl’s Department Stores Inc. has reached another milestone in its aggressive sustainability campaign: 500 stores in the retail chain have now earned the Energy Star label.