HEATKEYS

Sunrise, sunset, dawn and dusk times for the whole year in a graph, day length and changes in lengths in a table.

University of Oregon Solar Radiation Monitoring Laboratory Web Site

This site includes lots of information that is time and date related, such as yearly and monthly calendars, countdown counters and the world clock which shows current time in cities all over the world.

The NOAA Earth System Research Laboratory was formed to observe and understand the Earth system and to develop products, through a commitment to research that will advance the National Oceanic and Atmopsheric Administration

The Better Business Bureau of the United States and Canada offers consumers and businesses resources including business and charity reviews, complaints, statistics, ratings, and more to assist in intelligent buying decisions and investment opportunit...

The Astronomical Applications Departmentof the U.S. Naval Observatory computes, from fundamental astronomicalreference data, the position, brightness, and other observablecharacteristics of celestial bodies, as well as the circumstancesof astronomica...

San Francisco - User Reviews and Recommendations of Top Restaurants, Shopping, Nightlife, Entertainment, Services and More at Yelp

Leading source for news, video and opinion on politics, business, world and national news, science, travel, entertainment and more. Our local coverage includes reporting on education, crime, weather, traffic, real estate, jobs and cars for DC, Maryla...

Our Family's One-Year Adventure Living on an Arctic Island

Highlighting the Sustainable, Renewable and Green Building Technologies of Passive (and Active!) Solar Design

The Concord Consortium is a nonprofit educational research and development organization based in Concord, Massachusetts. We create interactive materials that exploit the power of information technologies.