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.
Rupert Read (born 1966) is an environmental philosopher, public intellectual, and the founder and current director of the Climate Majority Project. [1]. He is the author of several books on Wittgenstein, philosophy, and/or climate change, most recently Why Climate Breakdown Matters, Deep Adaptation: Navigating the Realities of Climate Chaos, and Do You Want to Know the Truth? [2]
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]
Extinction is the termination of a taxon by the death of its last member.A taxon may become functionally extinct before the death of its last member if it loses the capacity to reproduce and recover.
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.
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.
He has written two books: Extinction: How Life on Earth Nearly Ended 250 Million Years Ago in 2006, and The Great Paleozoic Crisis: Life and Death in the Permian in 1993. He co-wrote The Fossils of The Burgess Shale and The Cambrian Explosion. The Construction of Animal Biodiversity (2013).
The quasi-extinction threshold, or sometimes called the quasi-extinction risk is the population size below which a species is considered to be at extreme risk of quasi-extinction. [5] This threshold varies by species and is influenced by several factors, including reproductive rates, habitat requirements, and genetic diversity.