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.
Tue, May 28, 2013 at 8:38 AM
The U.S. passes its first major wildlife protection laws, and construction begins on 'Tenn-Tom.'
Tue, May 28, 2013 at 8:28 AM
Judi Bari is injured, and 'An Inconvenient Truth' is released.
Tue, May 28, 2013 at 8:26 AM
The Global 2000 Report is released, and a U.N. POPs treaty is signed.
Wed, May 22, 2013 at 8:51 AM
The powerful earthquake in history occurs, and the EPA suspends arsenic rules.
Tue, May 21, 2013 at 8:23 AM
A tornado touches down in London, and an EPA chief resigns.
Mon, May 20, 2013 at 8:12 AM
The 'Cod Wars' continue, and the Three Gorges Dam is completed.