In 1913, President Woodrow Wilson signed legislation approving the construction of the O’Shaughnessy Dam to inundate the Hetch Hetchy Valley inside Yosemite N

In the wake of the devastating 1906 earthquake and fire, the city of San Francisco desperately needed reliable supplies of water and electricity. Its mayor, Jam

When Parliament sought to raise funds through the passing of the Stamp Act in 1765, they did not anticipate the protests and staunch opposition to the new law t

Conservation was the first nationwide political movement in American history to grapple with environmental problems like waste, pollution, resource exhaustion,

The debate over immigration has been a hallmark of the American nation since its earliest days, and it persists in generating a complex spectrum of opinions and