A natural disaster is the effect of a natural hazard (e.g. flood, tornado, hurricane, volcanic eruption, earthquake, or landslide) that affects the environment, and leads to financial, environmental and/or human losses. The resulting loss depends on the capacity of the population to support or resist the disaster, and their resilience. This understanding is concentrated...
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An oil spill is a release of a liquid petroleum stuff into the environment due to human activity, and is a form of pollution. The term often refers to marine oil spills, where oil is released into the ocean or coastal waters. Oil spills include releases of crude oil from tankers, offshore platforms, drilling...
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What is an earthquake? The ground beneath our feet seems rock-solid, but our planet’s surface is in fact a dynamic grid of slowly moving sections, known as tectonic plates. Normally, this motion is imperceptible to humans, showing itself only on geological time scales (North America and Europe, for example, are drifting apart at the...
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Calamities of the 20th and 21st centuries The following is a list of some of the worst natural calamities to strike the world since 1900. The list is by definition arguable. Earthquakes, volcanic eruptions, tsunamis, cyclones, hurricanes and other storms are all clearly natural phenomena. But the picture is less clear for disasters like...
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