Marc Hellman, an experienced designer of rainwater harvest systems, will speak at 7 p.m. Tuesday, Sept. 11, at the Community Hall at the Town Center, located at 765 Portola Road in Portola Valley. The program is part of the Tuesday Harvest series of environmental talks.

Mr. Hellman's talk, "Blue is the New Green," will discuss water-use consciousness and how to create and manage conserved rainwater at home.

Mr. Hellman is a guest lecturer and continuing education instructor "at colleges, horticulture departments and conferences," the town said in its announcement, adding that his inclusion in the speaker series should not be taken as an endorsement of services or remarks.

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