Massive companies are gobbling up the organic food industry. Should we be concerned?

Does the locavore movement do more harm than good? A new book sows seeds of discontent

Conservation group American Rivers urges support for clean water protection

Will the first-ever cap on carbon emissions accelerate the demise of coal?

Innovation group challenges people to re-imagine the city of the future

In a case of NIMBYism doing good, a New York court rules in favor of a regional ban on gas drilling

With limited progress on CO2 emissions, a group of nations turn to other pollutants

How eating consciously can affect global warming

How our demand for organic produce is depleting aquifers south of the border

Earth Institute's Steven Cohen breaks it down