US regional offices include Austin, Texas; Boston; Boulder, Colorado; Los Angeles; Raleigh, North Carolina; San Francisco; Washington, D.C. and St. Petersburg, Florida.

Their research uncovered a link between the spraying of DDT to kill mosquitos and thinning egg shells of large birds.

Their research was most likely based on the book Silent Spring by Rachel Carson about the dangers of DDT and the effects that it had on birds, published in 1962.

[16][17][18] In looking back at passage of the Safe Drinking Water Act of 1974, top EPA officials responsible for implementing the law recall that EDF published a statistical study that supported a link between organic contaminants and cancer rates in the City of New Orleans, a study that received a tremendous amount of media attention and certainly contributed to the enactment of the law.

[79] EDF has been accused of funding and disseminating studies[80] that utilize questionable science and economics[81] in their promotion of catch share fishery management.

Recent studies[89][90][91] show that despite EDF's claims, catch shares do not end overfishing and typically result in no long term environmental gains.

The Environmental Defense Fund supports the Rigs-to-Reefs program in the Gulf of Mexico, in which former offshore oil production platforms are converted to permanent artificial reefs.

We must also work hard to put policies in place that ensure that natural gas serves as an enabler of renewable power generation, not an impediment to it.

We fear that those who oppose all natural gas production everywhere are, in effect, making it harder for the U.S. economy to wean itself from dirty coal.