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Can the now widely available topographic data be used to derive past tectonic and climatic conditions (in the multi-million year scale)? Do we know enough about the erosion and transport processes? Does the stochasticity of meteorological and tectonic events reflect in the landscape? How much has life contributed to shape the Earth's surface?
A Learjet 55 crashes (explosion pictured) into multiple buildings and houses in Philadelphia, United States, killing at least 7 people and injuring 22 others.; A plane crash in Unity State, South Sudan, kills 20 of the 21 people onboard.
Geography (from Ancient Greek γεωγραφία geōgraphía; combining gê 'Earth' and gráphō 'write') is the study of the lands, features, inhabitants, and phenomena of Earth. Geography is an all-encompassing discipline that seeks an understanding of Earth and its human and natural complexities —not merely where objects are, but also how ...
This is a timeline of country and capital changes around the world since 2000. It includes dates of declarations of independence, changes in country name, changes of capital city or name, and changes in territory such as the annexation, cession, concession, occupation, or secession of land.
List of United Nations peacekeeping missions – List of all former and current United Nations peacekeeping missions; Liu Institute for Global Issues – Research organization at the University of British Columbia; Mass surveillance – Intricate surveillance of an entire or a substantial fraction of a population; Ozone depletion and climate change
This page is a list of geography topics. Geography is the study of the world and of the distribution of life on the earth, including human life and the effects of human activity. Geography research addresses both the questions of where, as well as why, geographical phenomena occur. Geography is a diverse field that seeks to understand the world ...
Physical geography is the study of Earth's systems and how they interact with one another as part of a single self-contained system. It incorporates astronomy, mathematical geography, meteorology, climatology, geology, geomorphology, biology, biogeography, pedology, and soils geography.
Solidified lava flow in Hawaii Sedimentary layers in Badlands National Park, South Dakota Metamorphic rock, Nunavut, Canada. Geology (from Ancient Greek γῆ (gê) 'earth' and λoγία () 'study of, discourse') [1] [2] is a branch of natural science concerned with the Earth and other astronomical objects, the rocks of which they are composed, and the processes by which they change over time. [3]