Green and the City

bIKE

What: Abio Penza folding chainless bike, visit www.abiobikes.com for price and specs; Bicycle Habitat Bike Repair Class, 244 Lafayette Street, call (212)431-3315, $30.

Why: Think of all the money you’ll save by hopping on your fuss-free folding bike that you can stow in your handbag – almost – instead of hailing cabs. The hour-long course at Bicycle Habitat will cut repair bills as well.

When: You want your shrinking carbon footprint to equal a smaller waistline, and also augment your already shrinking bank account.

pERFORM

What: Play by Play Entertainment Membership, visit www.play-by-play.com or call (212) 868 7052, $99/year.

Why: The subscription fee is hefty, we know, but wait for the rest: this service gets you last minute tickets to Broadway shows, the opera, music concerts, comedy clubs, sporting events and more for just $3.45! There, don’t you feel better now?

When: You’re in the mood for an unexpected Spring Awakening.

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What: Indigreen organic hand-painted Bollywood Poster T-Shirt, click here to order, or visit www.etsy.com, $30.

Why: A fashion designer, environmental activist, and movie poster painter collaborate to bring you customized clothes and accessories that will cause everyone around you to see green.

When: You need an organic-fix, down to the T.

bITE

What: Key Lime Tart, Zabars, 2245 Broadway, at 80^th Street, $12.99

Why: Over-shadowed by its cheese-and-meat stepsisters, languishing in the depths of this culinary castle, the luscious key lime tart sits, waiting for you to carry it off in a bright white bakery box.

When: You’re searching for a match made in heaven: a tart for your tart.

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What: Greenhouse Lounge, 150 Varick Street, SoHo, call (212) 807-7000.

Why: Constructed entirely out of eco-friendly and recycled materials, this swanky lounge is a showcase for nature’s best wonders. Try the fruit-based cocktails, made with freshly squeezed juices and organic alcohol.

When: You want to drink one (or seven) for the environment.

This weekend in Mumbai: limited edition books at Book Collector’s Festival, custom-made shoe service on the street, expert bloggers on Indipepal.com, bonsai demo, and a fusion breakfast.