Lake Gahar, Iran
Salt glacier, Zagros Mountains, ISS image
Lunar eclipse over Iran
Iran and Persian Gulf from space
Zagros Mountains
Milky Way over Zagros Mountains, Iran
Mountains, Iran
Geminid meteor shower
Alborz Mountains, Iran
Serre-Poncon Lake, France
Kavir Desert, Iran
Wind River, Wyoming, USA
Vercors Massif, France
Northern star trails over Zagros Mountains Forests, Iran
Rio Grande, Colorado, USA
Kimberley mountains, Australia
Vikos Gorge, Greece
Lake Kerkini, Greece
Cordillera de Domeyko, Andes, Chile
Texel Mountains, Oetztal Alps, Italy
Swiss Alps
Glacial cave, Switzerland
Stars over Mount Katahdin, USA
Mount Damavand at dusk, Iran
Desert rainclouds, Kenya
View of an ice cave
Groundsel in flower
Eroded limestone pinnacles
Desert, Pakistan
Orion and Sirius over city lights, Iran
Ammonite fossils
Loot Desert, Iran
Terraced fields, Lesotho
Royal Natal National Park, South Africa
Mount Kinabalu, Borneo
Gorner Gorge, Switzerland
Duden Waterfalls, Turkey
Pyrenees in autumn, France
Ice on Lake Huron, Michigan, USA
Mountain valley
Full moon over an iceberg
Night view of Mount Qomolangma in Shigatse area, Tibet
Variegated metamorphic rocks and glacier
Night sky over Damavand volcano, Iran
Wind Cave National Park, South Dakota, USA
Smoke and fires, India
Mount Gamalama, Ternate, Indonesia
Imbak Falls, Borneo
Rotspitze, the Lechtal Alps, Austria
Leadville, Colorado, USA
Mount Damavand, Iran
Jurassic limestone in Breccia Gorge, Switzerland
39 Steps Waterfall, South Africa
Foreland Point, Dorset, UK
Venetikos River, Greece
Horschbach Waterfall, Germany
Quito, Ecuador
Milky Way over mountains
Salt Lake Oil Field, California, USA, 1906
Sainte-Enimie, France
Akaka Falls, Hawaii
Cumulus clouds at low tide
Sunrise over droogs, India
Clearcut logging area, Arkansa, USA
Huns mountains, Namibia
Fjallabak mountains, Iceland
Peaks and ridges of the eastern Himalaya Mountains
Aerial view of an island in the Maldives
Crepuscular rays
Dawn at Mount Damavand, Iran
Night sky over the Alborz Mountains, Iran
Tibet, China, True Colour Satellite Image.
Bhutan, Asia, True Colour Satellite Image With Border.
Bhutan, Asia, True Colour Satellite Image With Border And Mask.
Bhutan, Asia, True Colour Satellite Image With Mask.
Snowy mountains in rural landscape
Schluchhorn, Bernese Alps, Switzerland
Orion and Sirius over Iran
Limestone karsts, Indonesia
Farmland, Oaxaca, Mexico
Carbon footprint, conceptual artwork
Burning fossils fuels, conceptual image
Standby light
Global warming, conceptual image
Environmental damage, conceptual image
Industrial air pollution
Schreckhorn mountain, Switzerland
Global sea surface temperatures
North Atlantic sea surface temperatures
Sand and gravel mine, aerial photograph
Sea ice, Norway
Nepal;Ghorepani;Poon Hill;Dhaulagiri massif;Himalaya;Dhaulagiri range looking west from Poon Hill
Nepal;Ghorepani;Poon Hill;Dhaulagiri massif;Himalaya;Annapurna South and Annapurna I;view from Poon Hill;Himalaya
Nepal;Annapurna Conservation Area;Annapurna South view from Tadapani;Nepal Himalaya
Nepal;Annapurna Conservation Area;Trek to Annapurna Base Camp in Nepal Himalaya
Nepal;Annapurna Conservation Area;Singu Chuli (Fluted Peak) one of the trekking peaks in the Nepali Himalaya range. The peak is located just west of Ganggapurna in the Annapurna Himal.
Pleiades over Mount Everest
Sunset over the Nilgiri mountains, India
Ice patterns in a frozen puddle
Boca Waterfall, Slovenia
The Palisade, Colorado, USA
Thomson's Falls, Kenya
Salt extraction
Skala of Vradeto, Greece
Glacial valley in the Himalayas
Aerial view of Namotu Island, Fiji
Ronda, Spain
Aa lava, Pacaya, Guatemala
Copper mine, Arizona, USA
Recession of Stein glacier, Switzerland
Milky Way over the Alborz Mountains, Iran
Mountain valley, Switzerland
Iceberg carved from glacier, Hamiltonbrukt, Svalbard
Moonrise over the Caspian Sea
View of a coloured tributary flowing into a river
Matterhorn from Switzerland
Deforested valley
Age distribution of Arctic sea ice, 1987
Global vegetation, satellite image
Climate dice, conceptual image
Environmental awareness
Aerial view of the mountain tops of Kashmir
Desert after rainfall
Yellowstone National Park, USA
Aerial view
Lake Grosser Ostersee
Glacial lake
Big Bend National Park, Texas, USA
Pollution, France
Milky Way over Mount Everest
Copper mine buildings, Arizona, USA
Eyjafjallajokull, Glacier and Mountains
Oak (Quercus robur) trees on a moor
Moss-covered woodland
Shingle on a beach
Salt marsh, UK
Drinking from a stream
Galapagos prickly pear cactus
Sea purslane (Sesuvium portulacastrum)
Flowering rainforest, Costa Rica
Chimneys at a lime works
Chipboard factory
Drying of the Aral Sea, dust devil
Imbak Canyon Conservation Area, Borneo
Coruh River, Turkey
Oil-polluted land
Striated bedrock and Monte Rosa
Flooding
Chott El Djerid salt lake, Tunisia
Vegetation regions
At-risk zone
Waterfall, Verzasca Valley, Switzerland