A report published by market researcher JD Power, found that guests are now more aware of hoteliers' green policies with two-thirds saying that they knew about the conservation efforts.
Nearly three-quarters of these guests said that they would participate in the eco-initiatives.
The report measured guest-satisfaction alongside green-awareness and found that ratings were 160 points higher among those who knew about the hotels' policies.
Online travel insurance customers could be surprised by news that the proportion of hotel guests making reservations online has decreased slightly this year to 54 per cent, down by three per cent since 2008.
Meanwhile, a new luxury eco-resort is set to open in Las Vegas next year.
The CityCenter project is said to be one of the world's largest sustainable developments.
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