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The classification system consists of 22 major categories and 135 subcategories, and a list of codes. Each record is assigned to one or two classifications. There were more than 57 million cited references in approximately 1.4 million entries for journal articles, books, and book chapters as of October 2013, all in APA-style format.
Fiction about human overpopulation, the concept of a human population becoming too large to be sustained by its environment or resources in the long term. Subcategories This category has the following 2 subcategories, out of 2 total.
Ehrlich and his wife, Anne H. Ehrlich, collaborated on the book, The Population Bomb, but the publisher insisted that a single author be credited; only Paul's name appears as an author. [ 23 ] Although Ehrlich was not the first to warn about population issues — concern had been widespread during the 1950s and 1960s — his charismatic and ...
Books about or featuring the environment as a prominent theme have proliferated especially since the middle of the twentieth century. The rise of environmental science , which has encouraged interdisciplinary approaches to studying the environment, and the environmental movement , which has increased public and political awareness of humanity's ...
In statistics, a population is a set of similar items or events which is of interest for some question or experiment. [1] A statistical population can be a group of existing objects (e.g. the set of all stars within the Milky Way galaxy) or a hypothetical and potentially infinite group of objects conceived as a generalization from experience (e.g. the set of all possible hands in a game of ...
This is a list of novelists from England writing for adults and young adults. Please add only one novel title or comment on fiction per name. Other genres appear in other lists and on subject's page. References appear on the individual pages.
Apocalyptic fiction is a subgenre of science fiction that is concerned with the end of civilization due to a potentially existential catastrophe such as nuclear warfare, pandemic, extraterrestrial attack, impact event, cybernetic revolt, technological singularity, dysgenics, supernatural phenomena, divine judgment, climate change, resource depletion or some other general disaster.
The application of graphic novels in this context will allow people struggling with literacy to have better access to materials. Dozens of graphic novels have been published over the last decade that address public health topics, such as depression, drug abuse, and PTSD. Public health-based comic books originated in the 1940s.