Northwest Solar Expo
Homeowners and business owners who want to learn more about clean energy options are invited to this expo presented by the Oregon Solar Energy Industries Association.
April 19-20, Oregon Convention Center, 777 N.E. Martin Luther King Jr. Blvd., 503-235-7575, www.nwsolarexpo.com, $12
National Wildlife Week
Celebrate the 70th anniversary of National Wildlife Week by taking part in the National Wildlife Federation's wildlife watch. Go to www.nwf.org/wildlifewatch for a brief list of plants and animals to look out for, and record your findings to become part of a national database.
April 19-27, www.nwf.org
Audubon Society Birdathon
Gather up your sponsors and enter the annual birdathon, which raises money for the Audubon Society of Portland. Participants attempt to view as many wild birds as possible in a given amount of time.
April 19-May 19, www.audubonportland.org
Beneath Big Trees: An Evening With Andy Kerr
Oregon Wild presents Andy Kerr, a founding member of the conservation group and a longtime activist for protecting old-growth forests in the Northwest.
6 p.m. to 7 p.m. Wednesday, April 23, Lucky Labrador Brew Pub, 915 S.E. Hawthorne Blvd., 503-236-3555, www.oregonwild.org
Morning Song Bird Walks
Breathe in the fresh morning air and learn to identify the songs of resident and migrating birds. Guided walks take place on a rotating schedule at Tualatin Hills Nature Park, Mount Tabor, Camassia Reserve (West Linn) and Pittock Mansion. See www.audubonportland.org for details.
7 a.m. every Tuesday-Friday through June 6
Lunch With the Birds
Spotting scopes, binoculars and field guides are provided for learning how to identify waterfowl and other birds. Meet at the north viewing shelter next to the Clean Water Services treatment plant on Oregon Highway 219, south of Hillsboro.
Noon to 1 p.m. Wednesday, through April 30, Jackson Bottom Wetlands Preserve, 2600 S.W. Hillsboro Highway, Hillsboro, 503-681-6278, www.jacksonbottom.org
Walk at Tryon Creek
Join a weekly guided walk through Tryon Creek State Park, with a different theme each week. April 19, learn to identify native plants. Suitable for all ages; no registration required.
10 a.m. to 11:30 a.m. Saturdays, Tryon Creek State Park, 11321 S.W. Terwilliger Blvd., 503-636-4398, www.tryonfriends.org
Hike on the Wetlands
Guide Rick Balazs leads a slow-paced hike, seeking out the wildlife of the bottoms, with an emphasis on birds. Dress for weather and mud. Call ahead to register.
9 a.m. to noon, Saturday, April 19, Jackson Bottom Wetlands Preserve, 2600 S.W. Hillsboro Highway, Hillsboro, 503-681-6278, www.jacksonbottom.org, $3
Reptiles and Amphibians
Doug Robberson teaches about reptiles and amphibians of the Tualatin River National Wildlife Refuge. RSVP to programs Fanno Creek Greenway bike ride
Join Jim Labbe of the Audubon Society of Portland and Joe Blowers of Friends of Fanno Creek to explore the Fanno Creek Greenway by bike. Helmets are required. Register online at www.audubonportland.org to receive directions by e-mail, or call 503-292-6855, ext. 116.
9 a.m. to noon Saturday, April 19, www.audubonportland.org
Wild Foods of Oxbow
Wild Food Adventures teaches you how to find edible wild foods including fiddlehead fern, elderberries, Solomon's seal, fairy bells, nettles, red huckleberries and salmonberries. Registration required. Call for details.
1 p.m. to 5 p.m. Sunday, April 20, Oxbow Regional Park, Southeast Division Street, Gresham, 503-775-3828, www.wildfoodadventures.com, $22 per person plus $4 per vehicle park entry fee
Oaks Bottom Wildlife Refuge walk
In honor of Arbor Day, join naturalist Mike Houck for a 2-mile tour of Oaks Bottom, identifying trees along the way. The walk includes some rough terrain but is suitable for families. Call to register.
8 a.m. to 11 a.m. Friday, April 25, Southeast Seventh Avenue and Sellwood Boulevard, 971-222-6116, www.audubonportland.org
John James Audubon's Birthday Paddle
Naturalist Mike Houck leads a paddling trip around Ross, Hardtack, East and Toe islands and discusses the natural history of the four-island archipelago as well as issues of public ownership and long-term management of the islands. Equipment not provided. Suitable for beginning paddlers. Registration required.
8 a.m. to 11 a.m. Saturday, April 26, 971-222-6116, www.audubonportland.org
Wildflower hike at Tualatin Hills Nature Park
Find the densest areas for wildflowers in the park and learn to identify them. Call to register.
1:30 p.m. to 3:30 p.m. Saturday, April 26, Tualatin Hills Nature Park, 15655 S.W. Millikan Road, 503-629-6350, www.thprd.org/parks/thnp.cfm, $10
Paddle on Smith and Bybee
Watch for birds and beavers and learn about the natural history of the lakes. Bring your canoe or kayak, life vest, binoculars, drinking water and a snack. To reserve a space or for information, contact trip leader Troy Clark, 503-249-0482.
Noon to 4 p.m. Sunday, April 27, Smith and Bybee Wetlands Natural Area, 5300 N. Marine Drive, www.smithandbybeelakes.org
Wildflowers at Oxbow
Learn about wildflowers, first indoors and then out on the trail. Suitable for adults and teens. Register and pay in advance.
Noon to 3 p.m. Sunday, April 27, Oxbow Regional Park, Southeast Division Street, Gresham, 503-797-1850 option 4, www.metro-region.org (click on Places and Activities, then Places to Go), $10 per person plus $4 per vehicle park entry fee
Preschool: Jump, Slither and Crawl
At this weekly event, parents and children ages 3 to 6 get to learn about the natural world through art, stories, hikes and more. Call to register.
1 p.m. to 2 p.m. Mondays, Tryon Creek State Park, 11321 S.W. Terwilliger Blvd., 503-636-4398, www.tryonfriends.org
Story and Stroll at Tryon Creek
Every Friday, join a park naturalist for nature story time and a stroll through the park. It's geared toward families with children ages 3 to 6, but all are welcome. To register, call 503-636-9886, ext. 225.
1 p.m. to 2 p.m. Fridays, Tryon Creek State Park, 11321 S.W. Terwilliger Blvd., 503-636-4398, www.tryonfriends.org
Kids' Night Out
Do flying squirrels really fly? Find out at this pizza party followed by nighttime forest exploration. For kids 7 to 12. Call to register.
6 p.m. to 9 p.m. Friday, April 18, Tryon Creek State Park, 11321 S.W. Terwilliger Blvd., 503-636-4398, www.tryonfriends.org, $25
TrackersPDX open house
Tracking wild animals is just the beginning. Learn about TrackersPDX's many programs for kids and adults, including hikes, martial arts, wilderness skills and sustainable food, plus summer camps.
10 a.m. to 4 p.m. Sunday, May 4, the Scout Pit, 5040 S.E. Milwaukie Ave., 503-453-3038, www.trackersnw.com
WORKSHOPS AND TALKS
Willamette River slide show
7 p.m. Thursday, April 17, Portland Boathouse, 1515 S.E. Water Ave., 503-223-6418, www.willamette-riverkeeper.org
The Future of Food
The Oregon Food Bank presents a lecture by Ken Meter, a farm and food systems analyst. Learn about the food system in the Northwest and how it can become more sustainable. First come, first seated.
Doors at 6:45 p.m., lecture at 7:30 p.m., Thursday, April 24, First Congregational Church, 1126 S.W. Park Ave., www.oregonfoodbank.org
What Good Are Bugs?
Scott Black, an entomologist with the Xerces Society, explains the value of insects to our human way of life. Tickets are available online.
7 p.m. to 9 p.m. Tuesday, April 29, Oregon Zoo, 4001 S.W. Canyon Road, 503-226-1561, www.oregonzoo.org, $8-$10
Amphibians and Reptiles of the Portland Metro Area
Learn about frogs, turtles, salamanders and the notorious newt at this multimedia presentation by Doug Robberson of the Audubon Society of Portland. Call 971-222-6119 for required registration.
7 p.m. to 9 p.m. Wednesday, April 30, Heron Hall, Audubon House, 5151 N.W. Cornell Road, www.audubonportland.org, $20 public, $15 Audubon members
The Green Dividend for Companies and Cities
The Oregon Environmental Council presents a business forum on going green. Speakers are Pierre Trevet, the managing director of Innovest Strategic Value Advisors, and Joe Cortright, the vice president of Impresa Inc. Reserve a place at least 10 days in advance.
7:30 a.m. to 9:30 a.m. Thursday, May 8, Doubletree Hotel Lloyd Center, 1000 N.E. Multnomah St., 503-222-1963, ext. 100, www.oeconline.org, $35
Tryon Creek State Park
Help remove invasive species, restore native plants and clean up trails.
9 a.m. to noon Saturdays, Tryon Creek State Park, 11321 S.W. Terwilliger Blvd., 503-636-4398, www.tryonfriends.org
Lone Fir Cemetery
In honor of Earth Day, help clean up the winter debris at this historic cemetery. Bring your own rake and gloves.
10 a.m. to noon, Saturday, April 19, Southeast 20th and Morrison streets, 503-775-6278, www .friendsoflonefircemetery.org
George Himes Park
Restore native plants and landscape during a restoration work party hosted by the Hillsdale Neighborhood Association and the West Willamette Restoration Project.
9 a.m. to noon Saturday, April 19, meet at the corner of Southwest Nebraska Street and Terwilliger Boulevard; for information, call Melanie, 503-699-9825
Tualatin Hills Nature Park
Help remove invasive plants including English ivy, Himalayan blackberry and English holly. Bring your own loppers, shovel, gloves and water.
9 a.m. to 1 p.m. Sunday, April 20, Tualatin Hills Nature Park, 15655 S.W. Millikan Blvd., Beaverton, 503-629-6305 ext. 2953, www.thprd.org/parks/thnp.cfm
Help remove invasive Hima-layan blackberry. Bring loppers, gloves and water. Meet at the park entrance.
9 a.m. to noon, Saturday, April 26, Southwest 170th Avenue and Rigert Road, Washington County, 503-629-6305, ext. 2953
Marquam Nature Park
Help Friends of Marquam Nature Park and the West Willamette Restoration Project restore the urban forest. Meet at Council Crest Park.
9 a.m. to noon, Saturday, April 26, Southwest Council Crest Drive, 503-699-9825
- Anne Marie DiStefano
Events are free unless noted. E-mail event listings to sustainable @portlandtribune.com.