A new Danish hotel covered in solar panels and claiming to be the world's greenest opened this week, as did Marriott's largest Courtyard residence in Europe.

The Westin Tianjin, Tianjin, China
Global chains continue their penetration into China with the opening of the luxury Westin Tianjin. Nestled amongst the Tianjin's antique market streets, renowned for their unique architecture and charming atmosphere, the hotel's ultra-modern 275-room design rises above the skyline of China's sixth largest city.

Courtyard by Marriott Stockholm Kungsholmen, Stockholm, Sweden
Marriott's low-cost chain has opened its first hotel in Scandanavia - and its largest in Europe - on February 9. The 278 guest rooms are available from 990 SEK (€100) a night for 26 meter square rooms. The restaurant is designed to look like a forest, themed with the colors and textures of the local trees, moss, lichen, granite and berries. The Bjork Bar & Grill features dishes and cocktails made with regional Swedish produce, including sparkling wine made of birch sap from the trees in the local forest.

The Halcyon, Bath, UK
Promising no "costly-to-run restaurant or empty ballrooms," boutique hotel The Halcyon believes it's the hotel that people want. The hotel opened February 11, offering 21 rooms complete with Philippe Starck and Hansgrohe fittings in the center of the historic city of Bath, plus a coffee lounge and cocktail bar.

Coral International Cape Town, Cape Town, South Africa
Dubai-based Coral International is expanding, with the launch of a new hotel in Cape Town ahead of the 2010 FIFA World Cup. The five-star Coral International Cape Town opened February 8, offering 137 "elegantly furnished" rooms and views of Table Mountain. It is the first hotel outside of the Middle East for Coral International.

Crowne Plaza Copenhagen, Denmark
After a soft launch ahead of the COP15 conference in December, the Crowne Plaza Copenhagen officially opened its doors last week as "the greenest hotel in the world." It boasts one of the largest solar panel building installation in Northern Europe and a groundwater-based heating and cooling system expected to reduce the energy needed to heat or cool the 366-room hotel by around 90 percent.