Ad
related to: sign of extinction wikipedia biography book
Search results
Results From The WOW.Com Content Network
The extinction symbol with an X-shaped pictogram of an hourglass.The letter X stands for the first syllable of the word "extinction" Flag with the extinction symbol. The extinction symbol represents the threat of holocene extinction on Earth; a circle represents the planet and a stylised hourglass is a warning that time is running out for many species.
The symbol is also used to indicate death (of people) or extinction (of species or languages). [2] It is one of the modern descendants of the obelus, a mark used historically by scholars as a critical or highlighting indicator in manuscripts. In older texts, it is called an obelisk. [3] [a]
The book's title is similar to a 1995 book title, The Sixth Extinction by Richard Leakey and Roger Lewin. Also included are excerpts from interviews with a forest ecologist, atmospheric scientist Ken Caldeira, wildlife and conservation experts, a modern-day geologist, and fungus researchers in New England and New York State. [4] [6]
When concerns about human extinction have been raised, for example in Sir Martin Rees' 2003 book Our Final Hour, those concerns lie with the effects of climate change or technological disaster. Human-driven extinction started as humans migrated out of Africa more than 60,000 years ago. [38]
According to Ward's 2007 book, Under a Green Sky: Global Warming, the Mass Extinctions of the Past, and What They Can Tell Us About Our Future, [8] all but one of the major mass extinction events in history have been brought on by climate change. The author argues that events in the past can give valuable information about the future of our planet.
Elizabeth Kolbert (born July 6, 1961) is an American journalist, author, and visiting fellow at Williams College.. She is best known for her Pulitzer Prize-winning book The Sixth Extinction: An Unnatural History, [1] and as an observer and commentator on the environment for The New Yorker magazine.
Our Final Hour is a 2003 book by the British Astronomer Royal Sir Martin Rees. The full title of the book is Our Final Hour: A Scientist's Warning: How Terror, Error, and Environmental Disaster Threaten Humankind's Future In This Century—On Earth and Beyond.
Extinction: The Facts is a 2020 documentary film by the natural historian David Attenborough which aired on the BBC. It depicts the continuing sixth mass extinction, caused by humans, and the consequences of biodiversity loss and climate change. It also suggests positive action which can be taken to halt or reverse these effects.