Mercury's surface in "enhanced color," a color scheme created to emphasize color differences. This is not what Mercury would look like to the human eye, but by applying mathematical analysis to images, color differences can be accentuated beyond those visible to a person.
Mount Rushmore National Memorial under construction.
The workers had to endure conditions that varied from blazing hot to bitterly cold and windy. Each day they climbed 700 stairs to the top of the mountain to punch-in on the time clock. Then 3/8 inch thick steel cables lowered them over the front of the 500-foot face of the mountain in a "bosun chair." Despite the dangers, no one was killed during the project.
Otters in Glacier Bay National Park and Preserve, Alaska.
The sea otter population of Glacier Bay has increased dramatically in the past 20 years. Ecologists consider sea otters a keystone species here. Otters consume vast quantities of clams, urchins, crabs, and other invertebrates and their presence creates ripples through the ecosystem. NPS photo.
Every day someone like you becomes a wildland wildfire fighter, a teacher, a trail-builder, a museum curator, or a park ranger. Discover your opportunities in national parks. Come to play. Come to learn. Come to serve. Develop your environmental leadership skills. Find a job. Be the next generation to preserve and protect these great places.
With more than 80% of Americans living in urban areas, urban parks are more important than ever. The father of American landscape architecture, Frederick Law Olmsted, said of urban parks:
It is one great purpose of the Park to supply to the hundreds of thousands of tired workers, who have no opportunity to spend their summers in the country, a specimen of God's handiwork that shall be to them, inexpensively, what a month or two in the White Mountains or the Adirondacks is, at great cost, to those in easier circumstances.
Secretary Salazar Announces New Members of Invasive Species Advisory Committee
Policy Management and Budget
WASHINGTON, D.C.—Secretary of the Interior Ken Salazar has appointed six new members to the Invasive Species Advisory Committee, which provides advice and recommendations to the National Invasive Species Council.
Established by Executive Order in February 1999, the National Invasive Species Council is co-chaired by the Secretaries of the Interior, Agriculture and Commerce. Its members include the Secretaries of State, Defense, Transportation, Treasury, Health and Human Services and Homeland Security; and the Administrators of the U.S. Environmental Protection Administration, the National Air and Space Administration, U.S. Agency for International Development and the U.S. Trade Representative.
The members of the Invasive Species Advisory Committee include 29 individuals representing a broad ran
ge of stakeholders including scientific, conservation and agricultural groups; state and Tribal governments; and industry organizations that are impacted by invasive species. For more information, see www.invasivespecies.gov.
The members of the seventh convening Invasive Species Advisory Committee – including the six new members - are: