Environment

A playa lake is an ephemeral lakebed, meaning that the lake is filled with water only for transient time periods.

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An oasis is an isolated patch of land in a desert surrounding a source of water which allows vegetation to grow.

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Mudflats serve to protect coastal lands from the eroding forces of nature and also provide an important habitat for shore birds.

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A large number of snakes, both venomous species and non-venomous species, call Alabam their home.

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A sinkhole is a hole or a depression in the ground that results from some form of collapse of the surface layer.

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Lavaka, a type of erosional feature common in Madagascar, is basically a hole etched out on the slopes of a hill by forces of weathering.

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Literally meaning the "house of the gods" a tepui is a table-top mountain or mesa found in the Guiana Highlands.

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Barkhan dunes are crescent-shaped dunes created by wind action, and are a common landform in sandy deserts all over the world.

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An erg is a desert area covered by more than 125 km2 of aeolian or wind-blown sand with little or no vegetative cover.

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An alluvial fan is a fan-shaped deposit of sediment crossed and built up by streams, and a convergence of neighboring fans leads to the formation of a bajada.

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Fourteen wetlands in Thailand have been designated as RAMSAR Wetlands of International Importance and the list is presented below.

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The RAMSAR Convention is an international treaty aimed towards the conservation and sustainable use of wetlands.

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A pingo is a mound of earth-covered ice that can reach up to 230 ft in height, and is found in the Arctic and subarctic regions of the world.

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A hoodoo is a slender and tall spire of rock protruding from the base of an arid drainage basin or badland.

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Eco-efficiency is regarded as one of the best tools to promote a transformation from unsustainable development to sustainable development.

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Yardang is a streamlined protuberance carved from bedrock by wind abrasion by dust and sand, and the deflation process.

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An atoll is a ring-shaped coral reef partially or completely surrounding a lagoon and is a common oceanic landform found in many parts of the world.

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Bosnia and Herzegovina's national parks are instrumental in the protection of the biodiversity and cultural heritage of the country.

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Fertile low-lying grassy plains that are found in sections of the northwest coastlines of Ireland and Scotland are called machairs.

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When sea caves grow landwards and upwards to be exposed at the surface, it results in a blowhole. Water often gushes out of the blowhole with great force.

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