Jan. 30, 1974: U.S. President Richard M. Nixon gives a shout-out for the nation's newfound interest in the environment: "For the first time ever, we have organized a massive national effort to protect the environment. Our air is getting cleaner, our water is getting purer, and our agriculture, which was depressed, is prospering."
Jan. 30, 2000: A massive cyanide spill at a Romanian gold mine dumps tens of thousands of gallons of cyanide-laced water into local waterways. The toxic mess makes its way to the Danube, causing huge fish kills in Hungary and Yugoslavia (at right).
Jan. 30, 2007: The U.S. House of Representatives holds a hearing on allegations of political interference with government climate scientists. A survey of the scientists by the Union of Concerned Scientists finds that 47 percent of the government scientists said they were pressured to change the findings or wording in their work.
Photo: Jaroslav Pap/AP