Mountain and animals. Because of the less hospitable terrain and climate, mountains tend to be used less for agriculture and more for resource extraction and recreation, such as mountain climbing. The highest mountain on Earth is Mount Everest in the Himalayas of Asia, whose summit is above mean sea level. The highest known mountain on any planet in the Solar System is Olympus Mons on Mars at . There is no universally accepted definition of a mountain. Elevation, volume, relief, steepness, spacing and continuity have been used as criteria for defining a mountain. In the Oxford English Dictionary a mountain is
Solar art prize Solar art prize The Solar art prize is an annual art exhibition hosted by the Royal Society of the Arts, South Australia. The prize was established by Pip Fletcher in 2010, and has consistently invited artists to respond to the subject of climate change. The event's recurring theme is "Caring for Our Planet". Artists are invited to submit new works for consideration, and various prizes are offered. Prizes include cash and sponsor offerings, including tens of thousands of dollars in credits to be redeemed on solar power system services and installations, which include solar panels, hot water systems and batteries.