In a recent survey of TUI Group customers, 57% said that they would book a more eco-friendly holiday if it was available, with 53% stating a higher opinion of companies with sustainable credentials. No wonder then, that many tour operators have been working hard to increase their sustainable holiday offerings this year.

“Over the last few years there's been a real increase in both interest and demand for eco-friendly travel.” Holiday Hypermarket's Ian Crawford said. “Eco-resorts aren't all cold showers and compost toilets nowadays, they're everything from wellness resorts in the Algarve to five-star Greek island hotels, which means people book an all-inclusive holiday and still do their bit for the planet in the process.”

Accreditations like the Travelife trademark mean resorts around the world can prove their eco-credentials to potential visitors. The four-star Robinson Quinta da Ria in Portugal gets all of its electricity from solar panels, uses energy efficient technologies and works with local youth organisations on community projects – and this is no longer a rare set of features for a luxury hotel.

“Three in five Brits have said they'd prefer to travel sustainably if they could, and we're at a point now where it doesn't cost any more to book an eco-friendly option.” Crawford went on to say. “It's a real misconception that to do the ethical thing you have to spend more money. You can book a four- or five-star, Travelife Gold certified hotel for under £400 per person, and I'm sure we'll be seeing more resorts shouting about their green credentials as time goes on.”

From family-friendly resorts in the Magic Life group to adults-only options like Sensatori, booking an all-inclusive holiday at a resort that cares about its carbon footprint couldn't be easier. No longer the domain of hostel-dwellers and DIY holiday aficionados, eco-friendly all-inclusive offerings are rightly on the up – and with this year's World Tourism Day centred around Sustainable Tourism, it's a trend that looks set to continue.