Element Hotels, which are among the Marriott Hotel's impressive portfolio of brands, announced a partnership with Lettuce Grow to start including hydroponic gardens at their hotels.

The Element Hotels brand itself takes on a wellness-first mindset that promises a commitment to sustainability. Healthy, active travelers already made use of the fully equipped kitchens. Now, the new partnership makes eating healthier an even easier option on the road.

Business travel leaders are favoring green hotels in their corporate booking tools. HRS, a payment technology platform that leads global corporate travel, and GBTA, the largest business travel association in the world, released results from a survey that showcased sustainability becoming an increasingly key factor in influencing where business travelers lay their heads when they're away from home.

Airbnb released a report about the impacts of their flexible search features supporting more sustainable travel trends in Europe.

The 16-page report, called "How Airnbnb Supports Sustainable Travel in Europe," shows that they are diverting bookings away from Europe's more saturated spots to support more sustainable options.