Wells, 57, had run against Muriel Bowser for the Democratic mayoral nomination but later supported her.
Third-party suppliers offer greener, more expensive options.
D.C. Council takes initial vote on bill to ban food and beverage merchants from using foam containers starting in 2016.
It took six years for the widow of Robert F. Kennedy to accept the District's honor.
The buttoned-up association said Monday it is adding the restoration of the long-polluted waterway to its short list of priority issues.
Since April 1, the Department of Public Works has accepted 177 tons of compostable waste at its Benning Road transfer station. But don't haul your personal leftovers there just yet.
D.C.'s public works director said he would make it clear that a planned $300,000 study will examine all manners of waste disposal.
Willingness to tackle green initiatives may have less to do with costs or technical feasibility, and more to do with political will.
Mayor Vincent C. Gray aims to make the District the "the healthiest, greenest, and most livable city in the United States" by 2032.
A wide-ranging group of environmental advocates are questioning the wisdom of a study of building a "waste-to-energy" facility here.