Eco special: Vacation with a heart

Beyond reusing towels or asking for the sheets to be changed only every other day on vacation, today's travellers are looking to do much more for the earth.

From a marine survey of manta rays near Indonesia's Sumba island to responsible slum tours in Delhi and Mumbai, here are some vacations worth considering.

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A version of this article appeared in the print edition of The Sunday Times on January 20, 2019, with the headline 'Vacation with a heart'. Print Edition | Subscribe