“Whales in Crisis,” a documentary produced by National Geographic at the Hanauma Bay Nature Preserve Theater. Free. (Parking free after 5:30 p.m.) 397-5840.

“Understanding Strandings, Marine Mammal Beaching” by Dr. Kristi West, Professor of Biology, University of Hawai’i, at the Hanauma Bay Nature Preserve Theater. Free. (Parking free after 5:30 p.m.) 397-5840.

Spend an afternoon discovering the joys of a fresh water mountain stream. Design your own boat, feed a Tahitian prawn, and dunk your toes in miniature bubbling waterfalls. For ages 5 and older. $14 for parent and child team. Call Pauline Kawamata, 955-0100 ext. 18, www.hawaiinaturecenter.org.

The Kawainui and Hamakua Marsh Complex was designated a Ramsar Day 2008. These wetlands are important as habitat for Hawai’i’s endangered waterbirds, significant as cultural sites and valuable as flood control features for Kailua town. Learn more about these wetlands and current efforts to promote wetland conservation from talks, tours and exhibits offered as part of World Wetlands. Free. Call Martha Yent, 587-0287.

Waikiki Aquarium naturalists guide this 5-mile nature walk along one of O’ahu’s last shoreline wilderness. This rugged and beuatiful coastline features diverse coastal ecosystems, unique geology and a fascinating history. See whales and nesting Laysan albatross. For adults 16 years and older. $10 per person, $8 for members. 440-9007, www.waquarium.org.

NOAA and the Waikiki Aquarium invite teachers to an evening under the stars. NOAA’s Ocean Explorer’s curricula will be highlighted and representatives from various marine education organizations will have tables set up as well. Refreshments provided. Free for educators and a guest. To register, call 440-9011 or e-mail reservations@waquarium.org.

Teachers, bring the excitement of modern-day explorers to your students. Sponsored by the National Marine Sanctuary Foundation, stipends will be provided to cover time, teaching materials and travel costs. To register, call 440-9011 or e-mail reservations@waquarium.org.

Explore the living reefs at night with aquarium staff and see crabs, shrimp and eels. For ages 5 and older. Cost is $12 for adults, $8 for children, with discounts for members. 440-9007. www.waquarium.org.

Beach Environmental Awareness Campaign Hawai’i (B.E.A.C.H.) is organizing a clean-up of marine debris at Kokololio beach in La’ie. Bags, gloves and water will be provided.  Please bring a bucket, sand sifter and rake (if you have them).  Wear a hat, sunscreen and covered shoes.  All volunteers will be entered into a drawing of prizes from Kale’s Natural Foods, Ben & Jerry’s, East O`ahu Physical Therapy and Styrophobia.  To volunteer, please register by Fri. Feb. 8th by phone: 393 2168 or 554 2902. 

More information at: www.b-e-a-c-h.org.

Volunteers are needed to clean up garbage on one of Maui’s beaches. Keeping garbage off the beaches and out of the ocean is a key step in ensuring the health of coral reefs. All materials – garbage bags, gloves and water – will be provided. Free. (808) 270-7075, www.mauioceancenter.com.