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Portal:Earth sciences

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Introduction

Earth seen from Moon
Earth seen from Moon

Earth science or geoscience includes all fields of natural science related to the planet Earth. This is a branch of science dealing with the physical constitution of the Earth and its atmosphere. Earth science is the study of our planet's physical characteristics, from earthquakes to raindrops, and floods to fossils. Earth science can be considered to be a branch of planetary science, but with a much older history. Earth science encompasses four main branches of study, the lithosphere, the hydrosphere, the atmosphere, and the biosphere, each of which is further broken down into more specialized fields.

There are both reductionist and holistic approaches to earth sciences. It is also the study of Earth and its neighbors in space. Some earth scientists use their knowledge of the planet to locate and develop energy and mineral resources. Others study the impact of human activity on Earth's environment, and design methods to protect the planet. Some use their knowledge about earth processes such as volcanoes, earthquakes, and hurricanes to plan communities that will not expose people to these dangerous events.

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In the news

11 October 2019 – Syrian Civil War, 2019 Turkish offensive into north-eastern Syria
A YPG mortar and rocket attack on the Turkish town of Nusaybin kills eight civilians and injures 35 others, according to the governor of Mardin Province. (Reuters)
26 September 2019 – 2019 Ambon earthquake
A 6.5-magnitude earthquake strikes the Maluku Islands in eastern Indonesia. 30 people are killed and 156 others injured. (Rappler)
24 September 2019 – 2019 Kashmir earthquake
An earthquake in Azad Kashmir kills at least 37 people and wounds more than 300 others in Pakistan. The tremor hits cities including Mirpur and Islamabad. The military commences search and rescue operations. (Reuters)
24 September 2019 – Effects of global warming
Italian authorities close roads in the Val Ferret valleys on Mont Blanc de Courmayeur and order evacuation of the population in the risk area beneath the Planpincieux Glacier following warnings by experts that the glacier, whose movement has accelerated to 50-60cm (16-23in) a day, could collapse. (BBC) (Agenzia Nazionale Stampa Associata)
22 September 2019 – World Car-Free Day
Brussels reports up to 70% lower levels of nitrogen dioxide and black carbon in the atmosphere, compared to other Sundays. (Belga via Het Laatste Nieuws)
22 September 2019 – Effects of global warming
The World Meteorological Organization publishes a report stating that 2015–2019 was the hottest five-year period since measurements began. The increase in the global carbon dioxide level, the rise of the sea level and the melting of ice caps is accelerating. (PA via breakingnews.ie)

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Climate change (More...)

Global warming · Rachel Carson · Retreat of glaciers since 1850

Earthquakes (More...)

1949 Ambato earthquake · 1968 Illinois earthquake · 1980 eruption of Mount St. Helens · 1997 Qayen earthquake · 2002 Bou'in-Zahra earthquake · 2005 Qeshm earthquake · 2007–2008 Nazko earthquakes

Volcanoes (More...)

1980 eruption of Mount St. Helens · 2007–2008 Nazko earthquakes · Amchitka · Armero tragedy · Calabozos · Cerro Azul (Chile volcano) · Craters of the Moon National Monument and Preserve · David A. Johnston · Geology of the Lassen volcanic area · Loihi Seamount · Mauna Kea · Mauna Loa · Metacomet Ridge · Mono–Inyo Craters · Mount Cayley volcanic field · Mount St. Helens · Mount Tambora · Nevado del Ruiz · Surtsey · The Volcano (British Columbia) · Upper and Lower Table Rock · Volcano (South Park) · Yellowstone National Park

Other geology (More...)

Mary Anning · Archaea · Archaeopteryx · Cerro Azul (Chile volcano) · Bryce Canyon National Park · Calabozos · Chicxulub crater · Cretaceous–Paleogene extinction event · Charles Darwin · Earth · Ediacara biota · Geology of the Bryce Canyon area · Geology of the Capitol Reef area · Geology of the Death Valley area · Geology of the Grand Canyon area · Geology of the Lassen volcanic area · Geology of the Zion and Kolob canyons area · Global warming · Iridium · Oil shale · The Volcano (British Columbia) · Toronto Magnetic and Meteorological Observatory · Volcanology of Io · Yellowstone National Park

Geography (More...)

Antarctica · Australia · Bryce Canyon National Park · Carlsbad Caverns National Park · Craters of the Moon National Monument and Preserve · Death Valley National Park · Geography of India · Geography of Ireland · National parks of England and Wales · Niagara Falls · Rondane National Park · Shoshone National Forest · Yellowstone National Park · Yosemite National Park · Zion National Park

Related topics

For a more comprehensive treatment of topics, see Outline of earth science and Index of earth science articles

Atmosphere Hydrosphere Lithosphere
Biosphere Systems Others
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