Participants fight pollution, traffic congestion -more-

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Saturday, April 21

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Gaia adds needed housing -more-

Habitot Children’s Museum “Back to the Farm”An interactive exhibit gives children the chance to wiggle through tunnels like an earthworm, look into a mirrored fish pond, don farm animal costumes, ride on a John Deere tractor and more. “Recycling Center” Lets the kids crank the conveyor belt to sort cans, plastic bottles and newspaper bundles into dumpster bins, and become little “dump” workers. $4 adults; $6 children age 7 and under; $3 for each additional child age 7 and under. Monday and Wednesday, 9:30 a.m. to 1 p.m.; Tuesday and Friday, 9:30 a.m. to 5 p.m.; Thursday, 9:30 a.m. to 7 p.m.; Saturday, 10 a.m. to 5 p.m.; Sunday, 11 a.m. to 5 p.m. (closed Sundays, Memorial Day through Labor Day) Kittredge Street and Shattuck Avenue 647-1111 or www.habitot.org -more-

When Kyle Boller takes the first snap of Cal’s spring football game on Saturday, he won’t be facing UCLA or Stanford; his teammates will be on the other side of the ball. But Boller will be taking his first shot at mastering Cal’s new offense, implemented by new offensive coordinator Al Borges. -more-

Energy alternatives presented to Council -more-

The long winter of weights, sprints, and tests is over. After months of being paraded around like show ponies, the National Football League is ready to select a group of fortunate football players into their select club. Among the hundreds of college hopefuls stand a handful of players from Cal, hoping to continue their careers on the pro gridiron. -more-

Students from the Communications Arts and Sciences academy at Berkeley High School have returned from their two-week adventure in Cuba. -more-

Berkeley High will be the site of the Seventh Annual Academic & Athletic Showcase on Saturday night, featuring the best senior basketball players from around the Bay Area. -more-

Berkeley Observed -more-

SAN FRANCISCO — At a time when many activists fear the environment is threatened by the Bush administration, the Sierra Club – the nation’s oldest nonprofit environmental group – is rejecting criticism that it is slow and ineffective. -more-

The afternoon sun bears down on Solectron’s manufacturing facility. But 30 minutes after stepping onto the roof’s new light-colored surface, there’s no noticeable rise in temperature. -more-