March 28, 2009, cities around the world have pledged to take part in Earth Hour, when as much electricity is turned off as possible for one whole hour, to try and give the Earth and its resources a break.
Earth Hour is voluntary, when people shut off power in their homes, offices, public places and commercial spaces from 8:30 to 9:30 pm to raise awareness of how much electricity and light pollution is contributing to global warming and climate change.
Earth Hour started in 2007 in Australia on March 31, when over 2 million people took part.
In 2008, over 50 million people in 370 cities worldwide took part, and the lights were even turned out in Times Square in New York and the Coliseum in Rome.
Nicholas Hughes, who was not married and had no children, hanged himself March 16, Alaska State Troopers said. He was a man of science, not letters, the only member of his immediate family not to become a poet. A fisheries biologist, he spent nearly a decade on the faculty of the University of Alaska Fairbanks as a professor of fisheries and ocean sciences. He left in December 2006, according to the university's Web site.
Hughes' older sister, poet Frieda Hughes, issued a statement through the Times of London, expressing her "profound sorrow" and saying that he "had been battling depression for some time."