Peter Lehner

This year was a mixed one for the U.S. food supply.

Fossil fuel shares are no longer the "safe bet" they once were.

Share that cab, save the plant.

Green jobs are booming, but the momentum could crash if the U.S. Congress doesn't shore up support.

From toilet tests to pool covers, it's not hard to tweak your home to save water.

Chemical additives in food are a poorly regulated health risk in the U.S. food supply, says NRDC executive director Peter Lehner.

A loophole in the Clean Water Act may soon, finally, close.

The monarch butterfly, once everywhere, is fading from view.

With efficiency, energy costs can plummet.

With severe winter storms, impact of alternative energy sources grows clearer.

By saving energy and cutting waste, Americans had an outstanding 2013.

Coffee growing is not adapting well to a changing climate.

No longer a phenomenon, electric vehicles accelerate in popularity.

Energy security may come not from new oil wells or wind turbines, but from improved efficiency.

Decades-old promise to protect California's Drakes Estero stands up in court.

New data suggest factory farms are making the "superbug" disease problem worse.

Poorly regulated food labels lead Americans to waste massive amounts of food.

Improved building codes could save homeowners 20 percent on their energy bills.

In light of sustainable farming techniques, is $17 billion in crop-insurance payouts the best use of taxpayer funds?

Your router may be the unknown energy hog in your appliance lineup.

As bacteria hit the beach this summer, people are getting sick.