Nearly every accommodation website now carries a page about the environment. Reading one usefully means separating claims that describe a system from claims that describe an attitude.
Specific claims can be wrong, vague ones cannot
A statement that names a technology, a source or a quantity can be checked and can be contradicted, which is why properties only make such claims when they hold.
Language about respecting nature, caring for the environment or being committed to sustainability contains no assertion that could be tested.
The presence of vague language is not proof of anything, but a page containing only vague language is telling you that the specifics are unremarkable.
Some measures save money and some cost money
Reusing towels, switching to LED lighting, removing single-use plastic bottles and reducing linen changes all cut operating costs while reducing impact.
They are worth doing and they say little about a property's priorities, because a purely commercial operator would do them anyway.
Measures that cost money are more informative: on-site treatment plants, solar installations, habitat restoration, paying above-market local wages, or capping occupancy below what the site could hold.
Energy, water and waste are the three real questions
Where does the power come from, how is water sourced and how is sewage treated. A property that has genuinely engaged with these can answer all three plainly.
Answers that describe a system are meaningful: a named grid tariff, a solar array with a stated role, a treatment method, a composting arrangement.
Answers that describe a habit, such as encouraging guests to be mindful of consumption, place the responsibility on the guest and reveal nothing about the building.
Employment detail is the most overlooked signal
Whether staff are hired locally, retained year-round, promoted internally and housed adequately determines much of a property's actual effect on its surroundings.
Properties that do this well tend to mention it, because it is expensive and difficult and they know it distinguishes them.
Silence on employment alongside detailed discussion of towels usually indicates where the effort has gone.
Certification is evidence, not proof
A recognised certification means an assessor has verified something, which is more than a self-declaration, though schemes vary widely in what they require.
Some marks are awarded on a self-assessment with a fee, and their logos look much like those requiring an on-site audit.
Checking what a given scheme actually assesses takes a few minutes and is more informative than the presence of the badge itself.