Search results
Results from the WOW.Com Content Network
Global and national institutions work toward but make slow progress in achieving sustainable development goals. Environmental systems experience degradation, although there are some improvements and overall the intensity of resource and energy use declines. Global population growth is moderate and levels off in the second half of the century.
In the 1980s, the terms global warming and climate change became more common, often being used interchangeably. [ 29 ] [ 30 ] [ 31 ] Scientifically, global warming refers only to increased surface warming, while climate change describes both global warming and its effects on Earth's climate system , such as precipitation changes.
Many parameters influence climate change scenarios. Three important parameters are the number of people (and population growth), their economic activity new technologies. Economic and energy models, such as World3 and POLES, quantify the effects of these parameters. Climate change scenarios exist at a national, regional or global scale.
A study by Climate Central, a U.S.-based research group, looked at temperatures in 180 countries and 22 territories and found that 98% of the world's population were exposed to higher temperatures ...
A plausible and significant contributor to global catastrophic risk; the potential for climate change to be a global catastrophic threat can be referred to as "catastrophic climate change". Global decimation risk: The probability of a loss of 10% (or more) of global population and the severe disruption of global critical systems (such as food ...
By contrast, geographic and climatic factors in pre-colonial Africa made establishing absolute control over particular pieces of land prohibitively costly. [37] For example, because African farmers relied on rain-fed agriculture and consequently invested little in particular pieces of land, they could easily flee rulers rather than fight.
[1] [2] It is a concrete form of the more general I = PAT equation [3] relating factors that determine the level of human impact on climate. Although the terms in the Kaya identity would in theory cancel out, it is useful in practice to calculate emissions in terms of more readily available data, namely population, GDP per capita, energy per ...
Drivers of climate change from 1850–1900 to 2010–2019. Future global warming potential for long lived drivers like carbon dioxide emissions is not represented. The scientific community has been investigating the causes of climate change for decades.