Grassland Articles

• Tornadoes
  Severe Weather
  Climate
  Natural Disasters
  Hurricanes and Cyclones
  Geography
   

  List of tornadoes and tornado outbreaks

  These are some notable tornadoes, tornado outbreaks, and tornado outbreak sequences that have occurred around the ... > more
• Severe Weather
  Weather
  Storms
  Tornadoes
  Hurricanes and Cyclones
  Geomagnetic Storms
   

  Derecho

  A derecho is a widespread and long-lived, violent convectively induced windstorm that is associated with a fast-moving band of severe thunderstorms usually taking the form of a bow echo. Derechos are ... > more
• Endangered Plants
  Botany
  Nature
  Pests and Parasites
  Seeds
  Rainforests
   
  

  Plant

  Plants are a major group of living things including familiar organisms such as trees, flowers, herbs, ferns, and mosses. About 350,000 species of plants, defined as seed plants, bryophytes, ferns and ... > more
• Water
  Geography
  Ecosystems
  Global Warming
  Ecology
  Floods
   
  

  Lake

  A lake is a body of water or other liquid of considerable size surrounded entirely by land. A vast majority of lakes on Earth are fresh water, and most lie in the Northern Hemisphere at higher ... > more
• Severe Weather
  Storms
  Tornadoes
  Weather
  Geography
  Water
   
  

  Supercell

  A supercell is a severe thunderstorm with a deep rotating updraft. Supercell thunderstorms are the largest, most severe class of single-cell thunderstorms. It has been argued that there are really ... > more
• Fossils
  Geography
  Geology
  Origin of Life
  Extinction
  Environmental Policy
   

  Paleozoic

  The Paleozoic Era is a major division of the geologic timescale, one of four geologic eras. The Paleozoic includes six geologic periods; from oldest to youngest -- the Cambrian, Ordovician, Silurian, ... > more
• Geography
  Mammals
  Tundra
  Mating and Breeding
  Environmental Policy
  Wild Animals
   
  

  Muskox

  The muskox is an arctic mammal of the Bovidae family, noted for its thick coat and for the male's strong odor, hence the name. It belongs to the Caprinae subfamily, being more closely related to ... > more
• Water
  Pollution
  Environmental Issues
  Air Quality
  Air Pollution
  Environmental Science
   
  

  Water pollution

  Water pollution is a large set of adverse effects upon water bodies (lakes, rivers, oceans, groundwater) caused by human activities. Although natural phenomena such as volcanoes, storms, earthquakes ... > more
• Weather
  Severe Weather
  Geography
  Climate
  Hurricanes and Cyclones
  Storms
   
  

  Surface weather analysis

  Weather front is, in meteorology, a boundary between two air masses with differing characteristics (e.g., air temperature or ... > more
• Exotic Species
  Invasive Species
  Botany
  Endangered Plants
  Seeds
  Nature
   
  

  Purple loosestrife

  Purple loosestrife is a semi-aquatic herbaceous plant belonging to the loosestrife family, Lythraceae, native to the wetlands of Eurasia. It is a herbaceous perennial plant, growing 1-2 m tall, ... > more

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