Take a look at these rooftop farms, green walls, and vertical forests.
From the city’s eco-friendly architecture to energy-efficient hotels, Oslo is on the fast track to become the greenest city in Europe.
Is offsetting your travel footprint really worth it?
Being an environmentally conscious traveler doesn’t mean you have to spend a lot of money or make a lot of difficult changes.
Quarterly beach clean-ups at the wildlife refuge bring in volunteers who remove about 200,000 pounds of trash. But is it enough?