Updated April 15

#earthtweet

Use the #earthtweet hashtag to share your conservation efforts with the world on Twitter.

Pledge to Power Down

Before April 17
Pledge to activate your computer's power management. Take the pledge at powerdownfortheplantt.org.

Klean Kanteen Promotion

Month of April, UCSD Bookstore
Trade an empty plastic water bottle for a $5 coupon good towards any size Klean Kanteen drinking bottle at the Medical and Book Information counters on the first floor. [One coupon per customer. Offer expires 4/30/09. Valid on Klean Kanteen brand drinking bottles only.].

Project Wellness: Be Green and Win

Before May 1
Do you know how the environment, sustainability and health are connected? Share your views in 25-250 words and you might win an iPod Shuffle! Get details.

Saturday, April 18

Light Bulb Exchange
11 a.m. –3 p.m., Birch Aquarium at Scripps
Trade in old light bulbs for new, energy-efficient models for free and get 2-for-1 same-day aquarium admission. San Diego County residents can exchange up to five incandescent light bulbs for compact fluorescent lights, while supplies last. CFLs use 75% less energy than incandescent bulbs, create 75% less heat and last 10 times longer. Participants must bring a copy of their current San Diego Gas & Electric utility bill or a California ID to prove San Diego County residency. Fore more information, click here or call 858-534-4109.

Family Days: Fascinating Flourescence
11 a.m. –3 p.m., Birch Aquarium at Scripps
Get up-close to the aquarium's corals, jellies and anemones that can absorb light and emit a soft glow. Meet Scripps Oceanography graduate students who are pioneering new uses of marine fluorescence and make a glowy-showy craft. Also, check out the winning entries of Boys & Girls Club Earth Day art contest, coordinated by Nokia. Family Days is a monthly program that encourages family learning through a blend of arts, crafts, science and one-of-a-kind activities for all ages. Included with aquarium admission.

Great Campus Race
1–4 p.m., Geisel Library
All UCSD students are invited to compete for prizes by using teamwork, brain power and speed. Teams of two will receive a list of clues. The answer to each clue will correspond to a campus location. Racers may use any means to solve clues and are encouraged to call friends or use the Internet. The first team to be photographed at each of the locations and return to the finish line will win. Register now. If you have questions, e-mail dschmitt@ucsd.edu.

Sunday, April 19

Moonlight Kayaking with MEC
The Muir Environmental Corps is organizing a kayaking trip on an evening with a fantastic view of the moon! Sign up with MEC to reserve your spot.

Saturday, April 25

Chicano Park Day
11:30 a.m. – 3 p.m.

Monday, April 27

Splash!
3–5 p.m., near the Anchor at Revelle College
See live sea creatures, courtesy of Birch Aquarium, and learn how you can help sustain our oceans.