Dave Levitan

Innovations in Energy Storage Provide Boost for Renewables

Intermittency has long been considered the Achilles heel of renewable power generation.

October 28, 2014

As Small Hydropower Expands, So Does Caution on Its Impacts

Small hydropower projects have the potential to bring electricity to millions of people now living off the grid. But experts warn that planners must carefully consider the cumulative effects of constructing too many small dams in a single watershed.

August 7, 2014

Why Wave Power Has Lagged Far Behind as Energy Source

Researchers have long contended that power from ocean waves could make a major contribution as a renewable energy source.

May 1, 2014

Will Offshore Wind Finally Take Off on U.S. East Coast?

After years of delays and legal battles, several offshore wind projects seem poised to be launched off the U.S. East Coast.

September 27, 2013

Recycling’s ‘Final Frontier’: The Composting of Food Waste

A move by New York City to begin collecting food scraps and other organic waste is just the latest example of expanding efforts by municipalities worldwide to recycle large quantities of unused food and slash the amount of material sent to landfill

August 8, 2013

To tackle runoff, cities turn to green initiatives

Urban stormwater runoff is a serious problem, overloading sewage treatment plants and polluting waterways. Now, various U.S. cities are creating innovative green infrastructure — such as rain gardens and roadside plantings — that mimics the way nature collects and cleanses water.

January 29, 2013

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