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T. Jane Zelikova
Tamara Jane Zelikova is a climate change scientist, advocate and communicator interested in the impacts of environmental change on natural and managed ecosystems. Her interests are broad and include tropical biogeochemistry, as well as the effects of climate change on organisms big and small. She combines a strong emphasis on research with an interest in science communication and outreach, thinking about ways to expand the role of science in tackling global issues. Zelikova is the co-founder of 500 Women Scientists, a global grassroots organizing with the mission to make science open, inclusive, and accessible and to fight racism, patriarchy, and oppressive societal norms. She founded the organization after the 2016 United States presidential election, frustrated by what she saw as dismissive attitudes toward both science and women. She contributed to the collection of women writers about climate change All We Can Save. Early life and education Tamara Jane Zelikova was born o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Climate Change
In common usage, climate change describes global warming—the ongoing increase in global average temperature—and its effects on Earth's climate system. Climate change in a broader sense also includes previous long-term changes to Earth's climate. The current rise in global average temperature is more rapid than previous changes, and is primarily caused by humans burning fossil fuels. Fossil fuel use, deforestation, and some agricultural and industrial practices increase greenhouse gases, notably carbon dioxide and methane. Greenhouse gases absorb some of the heat that the Earth radiates after it warms from sunlight. Larger amounts of these gases trap more heat in Earth's lower atmosphere, causing global warming. Due to climate change, deserts are expanding, while heat waves and wildfires are becoming more common. Increased warming in the Arctic has contributed to melting permafrost, glacial retreat and sea ice loss. Higher temperatures are also causing m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mixed Grass Prairie
A mixed-grass prairie is an ecotone located between the tallgrass prairies and shortgrass prairies. The mixed-grass prairie is richer in ecological diversity than either the tall- or shortgrass prairie. The mixed-grass prairie occurs in the central plains portion of the Great Plains, varying in width from central Texas in the United States up into southeastern Manitoba, Alberta and Saskatchewan in the northern mixed grasslands of Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ....G. E. Wickens: Ecophysiology of economic plants in arid and semi-arid lands p.76 See also References External links * * * * * {{Portal bar, Earth sciences, Ecology, Environment, Plants + Physiographic provinces Regions of the Western United States ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sexism
Sexism is prejudice or discrimination based on one's sex or gender. Sexism can affect anyone, but it primarily affects women and girls.There is a clear and broad consensus among academic scholars in multiple fields that sexism refers primarily to discrimination against women, and primarily affects women. See, for example: * Defines sexism as "prejudice, stereotyping, or discrimination, typically against women, on the basis of sex". * Defines sexism as "prejudice or discrimination based on sex or gender, especially against women and girls". Notes that "sexism in a society is most commonly applied against women and girls. It functions to maintain patriarchy, or male domination, through ideological and material practices of individuals, collectives, and institutions that oppress women and girls on the basis of sex or gender." * Notes that Sexism' refers to a historically and globally pervasive form of oppression against women." * Notes that "sexism usually refers to prejudice ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Science, Technology, Engineering, And Mathematics
Science, technology, engineering, and mathematics (STEM) is an umbrella term used to group together the distinct but related technical disciplines of science, technology, engineering, and mathematics. The term is typically used in the context of education policy or curriculum choices in schools. It has implications for workforce development, national security concerns (as a shortage of STEM-educated citizens can reduce effectiveness in this area) and immigration policy. There is no universal agreement on which disciplines are included in STEM; in particular whether or not the ''science'' in STEM includes social sciences, such as psychology, sociology, economics, and political science. In the United States, these are typically included by organizations such as the National Science Foundation (NSF), which deals with all matters concerning science and new discoveries in science as it affects development, research, and innovations, the Department of Labor's O*Net online database for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elections In 2016
This national electoral calendar for 2016 lists the national/ federal elections held in 2016 in all sovereign states and their dependent territories. By-elections are excluded, though national referendums are included. January *7 January: Kiribati, Parliament (2nd round) *16 January: Taiwan, President and Parliament *22 January: Vanuatu, Parliament *24 January: Portugal, President February *14 February: Central African Republic, President and Parliament *18 February: Uganda, President and Parliament *21 February: **Bolivia, Constitutional Referendum **Comoros, President (1st round) ** Niger, President (1st round) and Parliament *25 February: Jamaica, House of Representatives *26 February: ** Iran, Parliament (1st round) and Assembly of Experts ** Ireland, Assembly *28 February: Switzerland, Referendums March *3–24 March: New Zealand, Referendum (2nd round) *4 March: Samoa, Parliament *5 March: Slovakia, Parliament *6 March: Benin, Presiden ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Donald Trump
Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who served as the 45th president of the United States from 2017 to 2021. Trump graduated from the Wharton School of the University of Pennsylvania with a bachelor's degree in 1968. He became president of his father's real estate business in 1971 and renamed it The Trump Organization. He expanded the company's operations to building and renovating skyscrapers, hotels, casinos, and golf courses. He later started side ventures, mostly by licensing his name. From 2004 to 2015, he co-produced and hosted the reality television series ''The Apprentice (American TV series), The Apprentice''. Trump and his businesses have been involved in more than 4,000 state and federal legal actions, including six bankruptcies. Trump's political positions have been described as populist, protectionist, isolationist, and nationalist. He won the 2016 United States presidential election as the Repu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soil
Soil, also commonly referred to as earth or dirt, is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life. Some scientific definitions distinguish ''dirt'' from ''soil'' by restricting the former term specifically to displaced soil. Soil consists of a solid phase of minerals and organic matter (the soil matrix), as well as a porous phase that holds gases (the soil atmosphere) and water (the soil solution). Accordingly, soil is a three-state system of solids, liquids, and gases. Soil is a product of several factors: the influence of climate, relief (elevation, orientation, and slope of terrain), organisms, and the soil's parent materials (original minerals) interacting over time. It continually undergoes development by way of numerous physical, chemical and biological processes, which include weathering with associated erosion. Given its complexity and strong internal connectedness, soil ecologists regard soil as an ecosystem. Most ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Demography
Demography () is the statistics, statistical study of populations, especially human beings. Demographic analysis examines and measures the dimensions and Population dynamics, dynamics of populations; it can cover whole societies or groups defined by criteria such as education, nationality, religion, and ethnicity. Educational institutions usually treat demography as a field of sociology, though there are a number of independent demography departments. These methods have primarily been developed to study human populations, but are extended to a variety of areas where researchers want to know how populations of Social actions, social actors can change across time through processes of birth, death, and Human migration, migration. In the context of human biological populations, demographic analysis uses Public records, administrative records to develop an independent Approximation, estimate of the population. Demographic analysis estimates are often considered a reliable stan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soil Texture
Soil texture is a classification instrument used both in the field and laboratory to determine soil classes based on their physical texture. Soil texture can be determined using qualitative methods such as texture by feel, and quantitative methods such as the hydrometer method based on Stokes' law. Soil texture has agricultural applications such as determining crop suitability and to predict the response of the soil to environmental and management conditions such as drought or calcium (lime) requirements. Soil texture focuses on the particles that are less than two millimeters in diameter which include sand, silt, and clay. The USDA soil taxonomy and WRB soil classification systems use 12 textural classes whereas the UK-ADAS system uses 11.''Soil Science Division Staff. 2017. Soil survey sand. C. Ditzler, K. Scheffe, and H.C. Monger (eds.). USDA Handbook 18. Government Printing Office, Washington, D.C.'' These classifications are based on the percentages of sand, silt, and clay ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Precipitation
In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds. The main forms of precipitation include drizzle, rain, sleet, snow, ice pellets, graupel and hail. Precipitation occurs when a portion of the atmosphere becomes saturated with water vapor (reaching 100% relative humidity), so that the water condenses and "precipitates" or falls. Thus, fog and mist are not precipitation but colloids, because the water vapor does not condense sufficiently to precipitate. Two processes, possibly acting together, can lead to air becoming saturated: cooling the air or adding water vapor to the air. Precipitation forms as smaller droplets coalesce via collision with other rain drops or ice crystals within a cloud. Short, intense periods of rain in scattered locations are called showers. Moisture that is lifted or otherwise forced to rise over a layer of sub-freezing air at the surface may be condensed into ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Temperature
Temperature is a physical quantity that expresses quantitatively the perceptions of hotness and coldness. Temperature is measured with a thermometer. Thermometers are calibrated in various temperature scales that historically have relied on various reference points and thermometric substances for definition. The most common scales are the Celsius scale with the unit symbol °C (formerly called ''centigrade''), the Fahrenheit scale (°F), and the Kelvin scale (K), the latter being used predominantly for scientific purposes. The kelvin is one of the seven base units in the International System of Units (SI). Absolute zero, i.e., zero kelvin or −273.15 °C, is the lowest point in the thermodynamic temperature scale. Experimentally, it can be approached very closely but not actually reached, as recognized in the third law of thermodynamics. It would be impossible to extract energy as heat from a body at that temperature. Temperature is important in all fields of natur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
