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The controversies are, by now, mostly political rather than scientific: there is a scientific consensus that global warming is happening and is caused by human activity. [2] Public debates that also reflect scientific debate include estimates of how responsive the climate system might be to any given level of greenhouse gases (climate sensitivity).
Avoiding this future warming will require a large and rapid reduction in global greenhouse gas emissions. The ongoing warming will increase risks and stresses to human societies, economies, ecosystems, and wildlife through the 21st century and beyond, making it imperative that society respond to a changing climate.
Climate change denial (also global warming denial) is a form of science denial characterized by rejecting, refusing to acknowledge, disputing, or fighting the scientific consensus on climate change. Those promoting denial commonly use rhetorical tactics to give the appearance of a scientific controversy where there is none. [4]
On a scale of 1 out of 7, where higher numbers indicated greater disagreement, "global warming is already underway" had a mean rating of 3.4, and "global warming will occur in the future" had an even greater agreement of 2.6 Surveyed scientists had less confidence in the accuracy of contemporary climate models, rating their ability to make ...
Former President Donald Trump and Vice President Kamala Harris offer a stark choice for voters on whether global warming is even happening and whether the government should be taking steps to try ...
Vice President Harris and former President Trump are offering a stark contrast for voters when it comes to policies on fighting climate change, developing energy and protecting the environment.
According to a 2015 journal article based on a literature review of thousands of articles related to over two hundred studies covering the period from 1980 to 2014, there was an increase in public awareness of climate change in the 1980s and early 1990s, followed by a period of growing concern— mixed with the rise of conflicting positions—in the later 1990s and early 2000s.
The argument that scientists were wrong about global cooling, so therefore may be wrong about global warming has been called "the "Ice Age Fallacy" by Time author Bryan Walsh. [ 79 ] In the first two "Reports for the Club of Rome" in 1972 [ 80 ] and 1974, [ 81 ] the anthropogenic climate changes by CO 2 increase as well as by waste heat were ...