Tue, Jun 04, 2013 at 8:41 AM
The American alligator is no longer endangered, and nations sign the U.N. Framework Convention on Climate Change.
Mon, Jun 03, 2013 at 8:20 AM
The Ixtoc I blows up, and the Earth Summit is held.
Mon, Jun 03, 2013 at 8:19 AM
The leatherback turtle is declared endangered, and 65 tornadoes tear through the Midwest.
Mon, Jun 03, 2013 at 8:17 AM
Zebra mussels invade the United States, and children have less lead in their blood.
Fri, May 31, 2013 at 8:17 AM
Earthquakes devastate Peru and Quetta, and a flood wipes out summer homes in Pennsylvania.
Thu, May 30, 2013 at 8:11 AM
A magnitude-6.6 earthquake shakes up Afghanistan, and Pakistan completes its nuclear tests.
Wed, May 29, 2013 at 8:22 AM
California accidentally creates a lake, and Hillary and Norgay reach Everest's summit.
Tue, May 28, 2013 at 8:44 AM
The Sierra Club is founded, and 'The Day After Tomorrow' is released.
Tue, May 28, 2013 at 8:43 AM
The first unit of the Watts Bar complex is completed, and 'The Goode Family' premieres.
Tue, May 28, 2013 at 8:40 AM
Plum Island completes construction, and the Shippingport Reactor is formally dedicated.