For More Information: Lynn Brockmeyer, WPT publicist, 608-263-3364 or [email protected] Erik Ernst, WPT promotion manager, 608-265-3853 or [email protected] Since 1970, Earth Day has been an annual tradition that inspires awareness and appreciation for the Earth's environment. Wisconsin Public Television (WPT) honors that tradition with several programs airing in April. At 9 p.m. Monday, April 11, Rachel Carson: Sense of Wonder explores Rachel Carson's love for the natural world and her fight to defend it. At 8 p.m. Monday, April 18, American Masters "John Muir in the New World" profiles the life of America's first environmentalist and founder of the Sierra Club. WPT presents an encore of the program at 10 p.m. Tuesday, April 19. At 9:30 p.m. Monday, April 18, Ribbon of Sand looks at North Carolina's Outer Banks, a slim and moving line of sand in the open Atlantic Ocean. The program encores at 11:30 p.m. Tuesday, April 19. At 9 p.m. Wednesday, April 20, Nova "Power Surge" travels the globe to reveal the surprising technologies that just might turn back the clock on climate change. WPT is a service of the Educational Communications Board and the University of Wisconsin-Extension. Wisconsin Public Television is a place to grow through learning on WHA-TV, Madison; WPNE-TV, Green Bay; WHRM-TV, Wausau; WLEF-TV, Park Falls; WHLA-TV, La Crosse; and WHWC-TV, Menomonie-Eau Claire.