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.
As part of our commitment to open, transparent government, the Department of the Interior joins other Federal agencies in posting its fiscal year (FY) 2015 Office of Management and Budget Sustainability/Energy Scorecard, which rates each agency's sustainability and energy performance. This is the sixth year that Federal agencies are posting these scorecards publicly.
This scorecard serves as a benchmark to help us track our progress toward statutory and Executive Order goals. Actions to meet those goals have resulted in reduced pollution and costs.
Interior is meeting goals to reduce greenhouse gas emissions; reduce energy intensity; increase renewable energy use; and decrease fleet petroleum use:
Greenhouse gas emissions: Reduced scope 1 and 2 greenhouse gas emissions by 15.3 percent compared to 2008 and reduced scope 3 greenhouse gas emissions by 22.8 percent compared to 2008.
Energy intensity: Reduced energy intensity by 33.3 percent compared to 2003.
Renewable energy: Obtained 12.3 percent of facility electricity from renewable sources.
Fleet petroleum use: Reduced fleet petroleum use by 22 percent compared to 2005.
Some notable accomplishments from 2015 include:
The U.S. Bureau of Reclamation’s Permanent Operating Facility (POF) in Durango, Colorado finished construction on a high performance and sustainable building that meets 100% of the Guiding Principles for High Performance and Sustainable Buildings for new construction. The combination of a passive solar wall; a high-efficiency heating, ventilation, and air conditioning (HVAC) system; efficient lighting; and natural lighting provide significant energy savings. Efficient plumbing fixtures and fittings and the use of xeriscape and natural landscaping, conserves indoor and outdoor water. All told, the energy efficiency of the PFO is estimated to avoid 52 metric tons of greenhouse gas emissions per year.
The U.S. Fish and Wildlife Service’s Corn Creek Administrative Office and Visitor Center (Visitor Center) at Desert National Wildlife Refuge, Las Vegas, Nevada, completed a net zero energy building. No petroleum products generate heat or electricity. Solar photovoltaic arrays totaling 91.5 kilowatts provides renewable electricity for all the Visitor Center’s energy needs. Total annual renewable energy production is approximately 608.3 million British thermal units (MMBTU). Low-flow plumbing fixtures save approximately 7,100 gallons of water per year and xeriscaping reduces water use by about 663,000 gallons. Overall, the project avoids at least 98 metric tons of GHG emissions annually.
Reducing potable water intensity and increasing the percentage of sustainable buildings are two areas showing a need for improvement.
One of our key strategies to meeting the water conservation requirements is installing life cycle cost effective water efficient technologies to minimize our water use.
One of our key strategies to achieve the sustainable building goal for existing buildings is to conduct building assessments to identify current performance levels and the necessary building programmatic, operational, systems, and envelope changes.
For more information on greening and sustainability, please visit the Greening the Department of the Interior website at: http://www.doi.gov/greening