When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Three Rs (animal research) - Wikipedia

    en.wikipedia.org/wiki/Three_Rs_(animal_research)

    In 1954, the Universities Federation for Animal Welfare (UFAW) decided to sponsor systematic research on the progress of humane techniques in the laboratory. [2] In October of that year, William Russell, described as a brilliant young zoologist who happened to be also a psychologist and a classical scholar, and Rex Burch, a microbiologist, were appointed to inaugurate a systematic study of ...

  3. Waste hierarchy - Wikipedia

    en.wikipedia.org/wiki/Waste_hierarchy

    All products and services have environmental impacts, from the extraction of raw materials for production to manufacture, distribution, use and disposal. Following the waste hierarchy will generally lead to the most resource-efficient and environmentally sound choice but in some cases refining decisions within the hierarchy or departing from it can lead to better environmental outcomes.

  4. Hong Kong International Airport Master Plan 2030 - Wikipedia

    en.wikipedia.org/wiki/Hong_Kong_International...

    The MP 2030 outlined the two-runway system and 3RS as options for future development, compared the two in terms of air connectivity, economic benefits, construction cost, funding and environmental issues, [7] and concluded that only 3RS can fully meet Hong Kong's long-term needs.

  5. Animal testing - Wikipedia

    en.wikipedia.org/wiki/Animal_testing

    The Three Rs (3Rs) are guiding principles for more ethical use of animals in testing. These were first described by W.M.S. Russell and R.L. Burch in 1959. [141] The 3Rs state: Replacement which refers to the preferred use of non-animal methods over animal methods whenever it is possible to achieve the same scientific aims.

  6. 3R - Wikipedia

    en.wikipedia.org/wiki/3R

    The 3Rs of Junior Forest Wardens (a Canadian outdoor-education program for families): Responsibility to yourself, Responsibility to others, Responsibility to your community and the planet; Return, Reclamation, Rehabilitation, rebel group in Central African Republic; Relief, recovery, and reform, categories of program under the New Deal

  7. Recycling - Wikipedia

    en.wikipedia.org/wiki/Recycling

    This is an accepted version of this page This is the latest accepted revision, reviewed on 15 February 2025. Converting waste materials into new products This article is about recycling of waste materials. For recycling of waste energy, see Energy recycling. "Recycled" redirects here. For the album, see Recycled (Nektar album). The three chasing arrows of the universal recycling symbol ...

  8. Environmental resource management - Wikipedia

    en.wikipedia.org/wiki/Environmental_resource...

    Environmental resource management is an issue of increasing concern, as reflected in its prevalence in several texts influencing global sociopolitical frameworks such as the Brundtland Commission's Our Common Future, [3] which highlighted the integrated nature of the environment and international development, and the Worldwatch Institute's annual State of the World reports.

  9. Waste management - Wikipedia

    en.wikipedia.org/wiki/Waste_management

    Effective recycling programs can significantly reduce the need for virgin materials and the environmental impacts associated with extracting and processing those materials. Product life-cycle analysis (LCA) is a comprehensive method for evaluating the environmental impacts associated with all stages of a product's life.