In 2014, renewable energy accounted for 9.8 percent of total domestic energy consumption. This marks the highest renewable energy share since the 1930s, when wood was a much larger contributor to domestic energy supply.

Shifting from diesel fuel to natural gas to power the nation's heavy-duty commercial trucking sector would achieve widely promised climate benefits only if widespread emissions of heat-trapping methane across the natural gas value chain are reduced, according to a new study coauthored by researchers from Environmental Defense Fund (EDF) and published in the journal Environmental Science & Technology.

Penske plans to further introduce alternative fuels into its wider customer base in tandem with a grant from the U.S. Department of Energy.

At current fuel sulfur levels, pollutant emissions from ships in part of the Arctic region could increase 150 to 600 percent by 2025, according to a report from the International Council of Clean Transportation.

Collaborating with supply chain partners on sustainability initiatives can improve outcomes, including financial return and reduce a firm's environmental footprint, according to a recent report by CDP and Accenture titled Supply Chain Sustainability Revealed: A Country Comparison.

The International Chamber of Shipping says that the shipping and bunker refining industries should recognize that the global 0.5-percent sulfur-in-fuel cap, currently set to go into effect in 2025, may be implemented worldwide by 2020.

Fresno, Calif.-based Electronic Recyclers International has partnered with the University of Pennsylvania Wharton School of Business's Initiative for Global Environmental Leadership to develop next generation solutions for e-waste recycling.