Here are sustainable travel options and sample packages you can book in Singapore, plus trusted operators and eco‑certified places to stay. I’ve grouped them by type so you can pick what fits your trip.

1. Short eco day trips (best for 1 day)

• Pulau Ubin guided nature & heritage walks — community-run guides and NParks-led Chek Jawa wetlands tours focus on biodiversity, low‑impact exploration and local culture. Good for birding, mangroves, cycling and rustic homestay-style experiences. (NParks.gov.sg)
• Sungei Buloh Wetland Reserve visits — boardwalk walks and guided tours that emphasize conservation and migratory bird watching; often offered as half‑day eco tours by local operators and NParks. (NParks site for info on guided programming). (NParks.gov.sg)

Typical day‑trip package example

• Morning ferry to Pulau Ubin, guided nature/heritage walk (3 hrs), local lunch at community stall, optional cycling, return by late afternoon. Low impact: small group, reusable water bottle, leave-no-trace briefing. (mycommunity.org.sg)

2. City‑based sustainable experiences (half‑day to full‑day)

• Urban sustainability tours: visits to community farms/urban farms, zero‑waste stores, sustainable dining experiences and heritage trails. Many hotels and local operators offer curated half‑day packages that highlight circular‑economy projects and local social enterprises. (Hotels and operators increasingly bundle these). (regional.chinadaily.com.cn)

3. Eco‑conscious hotel stays and stay‑packages

• Several Singapore hotels now hold recognized sustainability certifications (BCA Green Mark, GSTC, Green Globe). Examples: PARKROYAL COLLECTION Marina Bay (Green Mark SLE, GSTC, Green Globe) and major hotels on Sentosa with Green Globe/Green Mark recognition; these properties often provide “green stay” packages with low‑waste dining, energy‑saving room options, and supports for local conservation activities. (prnewswire.com)

Typical sustainable stay package example

• 2–3 nights at a Green Mark/GSTC‑certified hotel + guided urban farm visit or nature reserve tour, plant‑based dining option, carbon offset add‑on, and a pledge to eliminate single‑use plastics during stay. (prnewswire.com)

4. Responsible multi‑day itineraries (2–4 days)

• Combine: eco hotel stay (see above) + Pulau Ubin or Sungei Buloh guided day + community‑led cultural tour (heritage walks, local craft) + sustainable dining experiences. Many inbound tour operators and some international sustainable travel firms (look for GSTC alignment) can custom‑build these. (NParks.gov.sg)

5. Local operators & certs to look for (quality signals)

• Operators/experiences: NParks programming, My Pulau Ubin / community tour groups for Pulau Ubin. (mycommunity.org.sg)
• Hotel certifications to prefer: BCA Green Mark (Singapore standard), GSTC, Green Globe — hotels that list these certifications typically have measurable energy/water/waste improvements and community engagement. PARKROYAL COLLECTION Marina Bay is one recent example with multiple certifications. (prnewswire.com)

Quick tips for booking truly sustainable packages

• Ask for group size limits and whether the operator follows NParks or GSTC guidelines.
• Prefer packages that reduce single‑use plastics, include local guides/communities, and disclose carbon‑reduction or offset options.
• Check recent certification claims on the hotel/operator website (certifications and awards can change). (prnewswire.com)

If you’d like, I can:

• Find available packages for specific travel dates or budgets, or
• Compare 3–4 concrete packages (dates, prices, inclusions) from tour operators and eco‑hotels.

Which would you prefer?