Julie MacDonald, a deputy assistant secretary of the interior with no background in wildlife biology, changed the scientific content of a report examining the vulnerability of the greater sage grouse, a highly threatened ground bird of the American West.

The Bush administration dismissed Dr. Elizabeth Blackburn, a leading cell biologist, and Dr. William May, a prominent medical ethicist, from the President's Council on Bioethics.

The Bush administration overruled the opinions of its own government scientists in deciding that the marbled murrelet in California, Oregon, and Washington was not genetically or ecologically distinct from bird populations in Canada and Alaska.

In April 2004, air quality modelers from 9 regional EPA offices lodged an internal protest against a Bush administration policy that relaxes the way pollution can be measured over national parks and wilderness areas.

Media policies at federal agencies have been changed to increase control over communications about climate science.

Information suggesting a link between abortion and breast cancer was posted on the National Cancer Institute website despite objections from CDC staff.

George W. Bush administration suppressed government research on mercury pollution damage and refused to undertake standard comparative analyses in a successful effort to avoid stronger standards regulating mercury emissions by coal-fired power plants.

World Trade Center rescue workers believed EPA when it said Ground Zero area was safe, and ended up getting sick. The impact of this public deception continues to be felt by thousands of rescue workers now plagued by chronic and crippling lung ailments.

The GW Bush White House Office of Management and Budget greatly expanded its power over governmental regulations and issued sweeping procedural changes to control how science is used by federal agencies.

The Bush administration created a new team that critics alleged was an attempt to maintain river flows that favor political interests in the lower section of the Missouri River Basin.