Here are well-known sustainable / eco-conscious hotels in Aspen, with the main green practices for each so you can compare quickly.

• The Little Nell — Luxury ski‑in/ski‑out hotel with an extensive sustainability program (LED lighting, boiler upgrades that cut CO2, EV chargers and electric‑vehicle fleet, large food‑waste composting program, eliminated most single‑use plastics; publishes an Aspen One sustainability report). (thelittlenell.com)

• Limelight Aspen — Part of Aspen One; renovated for improved energy efficiency, active sustainability program across Limelight properties (local sourcing, EV charging, guest/community giving programs) and commitment to run on 100% clean power by 2030 through Holy Cross Energy. (limelighthotels.com)

• Aspen Meadows Resort — Longstanding green efforts (LEED‑certified conference center, switched to 100% clean electricity purchases, composting, reusable glass water bottles, EV chargers and electric shuttles). (aspenmeadows.com)

• The Gant — Offers a “Minimalist” / reduced‑housekeeping package, refillable amenities, on‑site EV charging, WE‑Cycle bike access and other waste‑reduction programs aimed at lowering guest impact. (gantaspen.com)

• Hotel Jerome (Auberge Resorts) — Historic luxury hotel with in‑room recycling, refillable toiletries, LED/low‑flow fixtures, filtered water in glass bottles and local sourcing in F&B. (aubergeresorts.com)

• The St. Regis Aspen Resort — Participates in local green business programs and publishes environmental/practice details (guest recycling, EV charging and footprint information via Marriott property pages / local green business networks). (marriott.com)

• W Aspen — Newer W property in downtown Aspen with guest recycling, EV charging, partnerships for nature programming and other environment‑minded guest options. (marriott.com)

Quick tips

• Look for each hotel’s sustainability or “responsibility” page (many publish recent sustainability reports or lists of practices).
• If EV charging, reduced housekeeping, refillable toiletries, composting, local food sourcing, or renewable‑energy purchasing matter most to you, check those specific items on the hotel pages before booking.
• Aspen as a destination also emphasizes sustainability (Aspen is certified as a sustainable mountain resort/destination), so many properties participate in local programs. (aspenchamber.org)

If you’d like, I can:

• Narrow these to a short list by budget (luxury vs mid‑range), or
• Pull current nightly rates/availability for specific dates at any of these hotels.