I am the Lorax. I speak for the trees. Earth Day is every day, so somebody please …

DRINK
The Tap Project
What: Provide clean water to children around the world by donating a buck to UNICEF’s new project when you order a glass of H2O.
Why: You glug it and guzzle it right from the spout, but today when you pay, you’ll help those without.
When: Today. (Thirsty yet?)
Where: Various eateries. Participating restaurants online at tapproject.org.

REPLACE
What: In time for spring cleaning, swap your light bulbs with compact fluorescents. Like you’ve been meaning to.
Why: Use less energy for a future more bright, a few twists of the wrist grant a long-lasting light.
When: Things are looking dim.
Where: Ace Hardware, 55 First Ave., at 3rd St. (212-674-3213).

HEAR
Maurice Fulton
What: Saving endangered dance floors with soulful remixes of Alice Smith and Hot Chip.
Why: Biggering the music, bettering the beats, boasting the bestest of lyrical treats.
When: Fri., 10 p.m.-4 a.m.
Where: APT, 419 W. 13th St., b/t Washington & Ninth Ave. (212-414-4245).

DO
BubbleBath
What: Blow soapy suds with random NYers as part of a design student’s thesis.
Why: Bubblers are blowing and bubbling nonstop, rainbow windows of wands — they go pop, pop, pop.
When: Sat., noon-3 p.m. (Rain date: Sun., noon-3 p.m.)
Where: Union Square South Plz.

SEE
As You Like It
What: Comedic, smart, kick-off production for the new, irreverent, all-male Shakespeare company.
Why: To be or not to be, that is the question; this troupe aids in theatrical digestion.
When: Thru Mar. 31. Tues.-Sat., 8:30 p.m.; Sun., 4 p.m.
Where: Here Arts Center, 145 Sixth Ave., b/t Spring & Broome Sts. (212-352-3101). Tickets also online at ovationtix.com.

BUY
Superdeluxe
What: Up to 75 percent off decoupage glassware, letterpress cards, and more.
Why: Goods good as this should not go to waste. So go and shop quick and save money, posthaste.
When: Thurs.-Sat., noon-7 p.m.; Sun., noon-6 p.m.
Where: 187 Chrystie St., b/t Stanton & Rivington Sts. (212-260-8300).