Several organizations, such as the American Association of Variable Star Observers and Center for Backyard Astrophysics, exist to help coordinate these contributions.

Several organizations concerned with antimicrobial resistance are lobbying to eliminate the unnecessary use of antibacterials.

Several secular holidays are observed, such as Earth Day or, Arbor Day, or Labor Day, both internationally, and across multi-country regions, often in conjunction with organizations such as the United Nations.

Several modern religious movements, for example the organizations within the New Thought Movement and the Unity Church, may be said to have a particularly idealist orientation.

Several Latter Day Saint organizations make their headquarters in Independence, just east of the city.

Several incarnations of political groups promoting lesbian issues have evolved ; 13 lesbian organizations were active in Mexico City in 1997.

* Several gay rights organizations, such as Lambda Legal, and the Lambda Literary Award derive their names from the use of a lower-case lambda as a symbol for gay and lesbian rights.

Several organizations, typically government sponsored, exist globally to qualify and approve such lubricants by evaluating their potential for environmental harm.

Several major computer-related organizations have originated at MIT since the 1980s: Richard Stallman's GNU Project and the subsequent Free Software Foundation were founded in the mid-1980s at the AI Lab ; the MIT Media Lab was founded in 1985 by Nicholas Negroponte and Jerome Wiesner to promote research into novel uses of computer technology ; the World Wide Web Consortium standards organization was founded at the Laboratory for Computer Science in 1994 by Tim Berners-Lee ; the OpenCourseWare project has made course materials for over 2, 000 MIT classes available online free of charge since 2002 ; and the One Laptop per Child initiative to expand computer education and connectivity to children worldwide was launched in 2005.

Several reports have been published by various governmental and non-governmental organizations to present alternatives to the ozone depleting substances, since the substances have been used in various technical sectors, like in refrigerating, agriculture, energy production, and laboratory measurements

Several multilateral organizations, such as the World Bank, the Asian Development Bank, and the UN Development Programme also provide assistance.

Several organizations exist that assert that conversion therapy can help diminish same-sex attraction.

Several of the FARC leaders appeared on the Justice Department's Consolidated Priority Organization target list, which identifies the most dangerous international drug trafficking organizations.

Several police organizations condemned this study and suggested more studies like this would make them hesitant to pull over visible minorities.

Several sealed and stamped letters are planted in public places, addressed to various entities, such as individuals, favorable organizations like medical research institutes, and stigmatized organizations such as " Friends of the Nazi Party ".

Several bands, groups, and organizations with members claiming Tuscarora descent reside in North Carolina ; they have organized and split in various configurations.

Several Unitarian organizations still promote Christianity as their central theme.

Several organizations established in Iran since the late 1990s offer a unique blend of interdisciplinary research.

Several organizations, such as British Greyhounds Retired Database, Greyhound Rescue West of England, GAGAH, Adopt-a-Greyhound and Greyhound Pets of America, and the Retired Greyhound Trust try to ensure that as many of the dogs as possible are adopted.

Several international organizations work to promote international co-operation on standardization ( harmonization ), including publishing various EMC standards.

Several brochures and flyers were published in national languages and special group for contacts with other youth organizations was established.

Several sports clubs were founded across the entire territory, among them were some of the largest and oldest sports organizations of Mozambique like Sporting Clube de Lourenço Marques established in 1920.

Several different ADLs have been developed by different organizations, including AADL ( SAE standard ), Wright ( developed by Carnegie Mellon ), Acme ( developed by Carnegie Mellon ), xADL ( developed by UCI ), Darwin ( developed by Imperial College London ), DAOP-ADL ( developed by University of Málaga ), and ByADL ( University of L ' Aquila, Italy ).

Several areas at the edge of the neocortex, including the hippocampus and amygdala, are also much more extensively developed in mammals than in other vertebrates.

Several military engineering vehicles have been developed in various nations to achieve this task.

Several disciplines have developed as separate branches of comparative law, including comparative constitutional law, comparative administrative law, comparative civil law ( in the sense of the law of torts, delicts, contracts and obligations ), comparative commercial law ( in the sense of business organisations and trade ), and comparative criminal law.

Several drug therapies are being developed based on p53, the tumour suppressor gene that protects the cell in response to damage and stress.

Several groups developed operating systems for the architecture, including Microsoft Windows, Linux, and UNIX variants such as HP-UX, Solaris,

Several other TCP / IP prototypes were developed at multiple research centers between 1978 and 1983.

Several programming languages have been developed that are oriented to KR.

Several other vendors have also developed OpenPGP-compliant software.

Several radiotracers ( i. e. radioligands ) have been developed for PET that are ligands for specific neuroreceptor subtypes such as raclopride and fallypride for dopamine D2 / D3 receptors, McN 5652 and DASB for serotonin transporters, or enzyme substrates ( e. g. 6-FDOPA for the AADC enzyme ).

Several German guided missiles and rockets of World War II were developed by the HVP, including the V-2 rocket ( A-4 ) ( see test launches ), and the Wasserfall ( 35 Peenemünde trial firings ), Schmetterling, Rheintochter, Taifun, and Enzian missiles.

Several varieties of pizza cheese have been developed over the years, including low-fat, reduced fat and fat-free varieties.

Several variants of Mozzarella cheese have been developed for use as pizza cheese.

Several republics also developed during the Middle Ages in the merchant-dominated city states.

Several approaches to the problem of increasing the rate of fire were developed, the earliest being multi-barrelled weapons which allowed two or more shots without reloading.

Several risk management standards have been developed including the Project Management Institute, the National Institute of Standards and Technology, actuarial societies, and ISO standards.

Several other free libraries were developed to work alongside SDL, such as SMPEG and OpenAL.

Several technologies were developed like Frequency-division multiplexing.

) Several types of naval " torpedo " were developed and deployed, most often by the Confederates, who faced a severe disadvantage in more traditional warfare methods.

Several antiretroviral drugs were developed in the late 1990s, decreasing AIDS mortality dramatically in developed countries.

Several design philosophies have been developed to aid this new design flow, including design for manufacturing ( DFM ), design for test ( DFT ), and Design for X.

Several models, both phenomenological and analytical, have been developed to describe the energetics of Auger transitions.

Several processes have been developed to combat the issue of charging, though none of them is ideal and still make quantification of AES data difficult.

Several health clinics in the United States ( e. g. Tom Waddell in San Francisco, Callen Lorde in New York City, Mazzoni in Philadelphia ) have developed “ protocols ” for transgender hormone therapy following a “ harm reduction ” model which increasing numbers of providers have adopted.