Food being cooked on volcanic grill at visitor centre, Parque Nacional de Timanfaya, national park, Lanzarote, Canary Islands, Atlantic, Europe

Geothermal steam, frosted trees and snow-free hot ground in Norris Basin in winter, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America

Cheetah (Acynonix jubatus) walking, Savuti, Chobe National Park, Botswana, Africa

The interior soldado of Isla Espiritu Santo, Baja California Sur, Sea of Cortez, Mexico, North America

Wildebeests (Gnu) (Connochaetes taurinus) at waterhole, Nxai Pan National Park, Botswana, Africa

Pyramid of Khafre (Chephren) on left, Pyramid of Khufu (Cheops) on right, Giza Pyramid Complex, UNESCO World Heritage Site, Giza, Egypt, North Africa, Africa

Giraffe (Giraffa camelopardalis) drinking at a waterhole, Nxai Pan National Park, Botswana, Africa

Ardeotis kori walking on the ground, Etosha National Park, Namibia, Africa

Burnt ground from a wildfire near Bakersfield, California, USA. Following an unprecedented four year long drought, Bakersfield is now the driest city in the USA. Most of California is in exceptional drought, the highest level of drought classification. Wild fires are much more common due to the drought. 428,000 acres of agricultural land have been taken out of production due to lack of water, thousands of agricultural workers have lost their jobs and one third of all children in California go to bed hungry.

Piping for the ground source heat pump at the Hyning in Grayrigg, an old farmhouse and barns being converted into eight holiday letting properties, near Kendal, Cumbria, England, United Kingdom, Europe

A ground source heat pump with pipes coming up from 55 metres down in a house in Ambleside, Cumbria,, England, United Kingdom, Europe

A ground source heat pump with pipes coming up from 55 metres down in a house in Ambleside, Cumbria,, England, United Kingdom, Europe

A ground source heat pump with pipes coming up from 55 metres down in a house in Ambleside, Cumbria,, England, United Kingdom, Europe

Pipes coming up from 55 metres down for a ground source heat pump, in a house in Ambleside, Cumbria, England, United Kingdom, Europe

A ground source heat pump with pipes coming up from 55 metres down in a house in Ambleside, Cumbria,, England, United Kingdom, Europe

Dirty hands holding potatoes

Bucket of strawberries in garden

Bucket of strawberries in garden

Hand picking bucket of strawberries in garden

Pot of tea on a camp fire, Tadrat, Algeria, Africa

Pot of tea on a camp fire, Tadrat, Algeria, Africa

Arabian tea pot near campfire, Libya

Burning jeans

Reykjanesviti lighthouse with steam hovering over the hot springs of the geothermal area Gunnuhver and teh geothermal power plant Sudurnes. europe, northern europe, iceland, February

Charred remains of homes which were burned to the ground stand in a neighborhood of Rancho Bernardo in San Diego during the Southern California wildfires of 2007. More than a dozen homes were completely lost in the small neighborhood there.

South of Delta Junction, Alaska. The supports are filled with anhydrous ammonia. In winter when temperatures drop below about minus 10C the ammonia above the ground turns to liquid and draws the heat from the ground and condenses.

South of Delta Junction, Alaska. The supports are filled with anhydrous ammonia. In winter when temperatures drop below about minus 10C the ammonia above the ground turns to liquid and draws the heat from the ground and condenses.

Dry Ground Reaching Into The Horizon

A Couple Holding Wine Glasses On A Block Of Wood With A Fire Pit Burning In A Campground, Waterton, Alberta, Canada

A geysir, a plume of hot steam escaping from the ground at a hot springs area, Iceland

grape vine vine Malvasia grapes vineyard plants growing on volcanic soil outdoors La Geria Isla Lanzarote Province Las Palmas Canary Islands Spain Europe (Vitis vinifera)

vine Malvasia grapes harvested in three yellow boxes in vineyard with plants growing on volcanic soil outdoors La Geria Isla Lanzarote Province Las Palmas Canary Islands Spain Europe (Vitis vinifera)

Cracked earth at Arches National Park Moab Utah USA