A crude oil storage tank lies on its side in floodwaters along the South Platte River, in Weld County, Colo., on Sept. 17. Hundreds of natural gas and oil wells along with pipelines are shut down by flooding, as state and federal inspectors gauge the damage and look for potential contamination from inundated oil fields.
Biologists Laura Herren and Brian Lapointe bag red sea grass at Shorty's Pocket, a site in the Indian River lagoon. Manatees have died from eating the toxic macro algae.
Courtesy Brian Cousin/FAU Harbor Branch
Susan Mull is a substitute teacher in Lancaster County, Pa. She's lived with HIV for 21 years, the past 13 without health insurance. She says an expansion of Medicaid in Pennsylvania would be "life-changing."
Homeless people rest on a public sidewalk early this year in downtown skid row area of Los Angeles. The United Way of Greater Los Angeles is attempting to end "chronic homelessness" by 2016 with a model that identifies the neediest cases and provides them with permanent homes.
Kevork Djansezian/Getty Images