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.
Executive Order 13693 on Planning for Federal Sustainability in the Next Decade. EO 13693 directs Federal agencies to reduce greenhouse gas pollution, eliminate waste, improve energy and water performance, and leverage Federal purchasing power to support innovation and entrepreneurship in clean energy technologies and environmentally-responsible products.
GSA Sustainable Facilities Tool (SFTool). The SFTool provides information and guidance for project and facilities managers to better maintain healthy buildings and environmentally-responsible purchasing.
The U.S. Fish and Wildlife Service, in partnership with the Avian Power Line Interaction Committee (APLIC), has developed voluntary guidelines designed to help electrical utilities protect and conserve migratory birds. Working with the guidelines, a utility can use the latest technology and science to tailor a voluntary Avian Protection Plan that meets specific utility needs at its facilities.
Applicability to DOI facilities: Avian Protection Plans can be incorporated into facility Environmental Management Systems as well as Asset Management Plans to outline mitigative measures to undertaken to prevent utility infrastructure serving DOI sites from harming wildlife. Note that other types of guide wires associated with cell towers and support for other aerial structures have the potential to create avian impacts; protective measures can be taken to minimize such impacts as well.
The U.S. Fish and Wildlife Service released its Reducing Bird Collisions with Buildings and Building Glass Best Practices to provide suggestions on how to avoid and minimize bird collisions for both new buildings, and for existing building renovations and retro-fits. These practices may be applied at residences and office buildings.