A: The National Weather Service explains that nimbostratus clouds, which are thick and possess dense stratus, are responsible for steady rain. They are found under 6,500 feet. Nimbostratus clouds are usually dark grey in color due to their high-moisture content.
Ecotourism is a form of tourism, or a category of vacation similar to beach, adventure, health, or cultural, while the concept of sustainability can be applied to all types of tourism.
By the early 1990s, Costa Rica became known as the poster child of ecotourism, with tourist arrivals reaching an average annual growth rate of 14% between 1986 to 1994.ccording to the Costa Rican Tourism Board, 47% of international tourists visiting the country in 2009 engaged in activities related to ecotourism, which includes trekking, flora, fauna, and bird watching, and visits to rural communities. However, most visitors look for adventure activities.