Search results
Results from the WOW.Com Content Network
Climate change can also be used more broadly to include changes to the climate that have happened throughout Earth's history. [32] Global warming—used as early as 1975 [33] —became the more popular term after NASA climate scientist James Hansen used it in his 1988 testimony in the U.S. Senate. [34] Since the 2000s, climate change has ...
The Geological Society of America (GSA) concurs with assessments by the National Academies of Science (2005), the National Research Council (2006), and the Intergovernmental Panel on Climate Change (IPCC, 2007) that global climate has warmed and that human activities (mainly greenhouse‐gas emissions) account for most of the warming since the ...
Some climate change effects: wildfire caused by heat and dryness, bleached coral caused by ocean acidification and heating, environmental migration caused by desertification, and coastal flooding caused by storms and sea level rise. Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall ...
A global climate regime is a global framework that aims at regulating the interaction of human activity with the global climate system, to mitigate global climate change. The framework for such a regime was developed by the United Nations Framework Convention on Climate Change , or UNFCCC for short.
Climate (from Ancient Greek κλίμα 'inclination') is commonly defined as the weather averaged over a long period. [9] The standard averaging period is 30 years, [10] but other periods may be used depending on the purpose. Climate also includes statistics other than the average, such as the magnitudes of day-to-day or year-to-year variations.
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 ...
Contributions to climate change broken down by economic sector as of 2019 2016 global greenhouse gas emissions by sector. [106] Percentages are calculated from estimated global emissions of all Kyoto Greenhouse Gases, converted to CO 2 equivalent quantities (GtCO 2 e). Global greenhouse gas emissions can be attributed to different sectors of ...
According to the Global Carbon Project, global atmospheric emissions of carbon dioxide fell from an annual growth rate of around 3.4% between 2000 and 2008, to a growth rate of about 2% in 2008. [11] Societies everywhere are facing unprecedented challenges as a result of rapid global change (including climate change).