[ March 28, 2015; 8:30 pm to 9:30 pm. ] Join Earth Hour 2015 on Saturday, March 28, at 8:30 p.m. (local time), when people from more than 160 nations turn off their lights as part of a global, rolling blackout. This event, organized by the World Wildlife Fund, urges individuals, businesses, and governments to power down for one hour as a demonstration of their commitment to protecting the […]
Has Earth changed over deep time? How did Earth shape life and life shape Earth? What does Earth’s climate in the distant past tell us about the future?
Modern humans have lived on Earth for only the past 200,000 years—not even a blink of an eye in the history of a planet that is about 4.6 […]
Continuing its effort to make its digital educational, historical and cultural resources available to web users across many platforms, the Library of Congress today launched an account on Pinterest, accessible at www.pinterest.com/LibraryCongress.
See LC’s pinterest board