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The period since 1950 has brought "the most rapid transformation of the human relationship with the natural world in the history of humankind". [106] Through 2018, humans have reduced forest area by ~30% and grasslands/shrubs by ~68%, to make way for livestock grazing and crops for humans. [107]
Environmental history is the study of human interaction with the natural world over time, emphasising the active role nature plays in influencing human affairs and vice versa. Environmental history first emerged in the United States out of the environmental movement of the 1960s and 1970s, and much of its impetus still stems from present-day ...
Human ecology has a history of focusing attention on humans' impact on the biotic world. [1] [34] Paul Sears was an early proponent of applying human ecology, addressing topics aimed at the population explosion of humanity, global resource limits, pollution, and published a comprehensive account on human ecology as a discipline in 1954. He saw ...
The rate of species loss is greater now than at any time in human history, with extinctions occurring at rates hundreds of times higher than background extinction rates. [35] [38] [39] and expected to still grow in the upcoming years. [39] [40] [41] As of 2012, some studies suggest that 25% of all mammal species could be extinct in 20 years. [42]
The book is one of the earliest works to document the effects of human action on the environment, and it helped to launch the modern conservation movement. Marsh is remembered by scholars as a profound and observant student of men, books and nature, with a wide range of interests ranging from history to poetry and literature. His wide array of ...
The modern human's waking day is 16 hours, while many mammals are only awake for half as many hours. [46] Additionally, humans are most awake during the early evening hours, while other primates' days begin at dawn and end at sundown. Many of these behavioral changes can be attributed to the control of fire and its impact on daylight extension ...
Human history is the record of humankind from prehistory to the present. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers.They migrated out of Africa during the Last Ice Age and had spread across Earth's continental land except Antarctica by the end of the Ice Age 12,000 years ago.
The World Without Us is a 2007 non-fiction book about what would happen to the natural and built environment if humans suddenly disappeared, written by American journalist Alan Weisman and published by St. Martin's Thomas Dunne Books. [1] It is a book-length expansion of Weisman's own February 2005 Discover article "Earth Without People". [2]