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The scientific community has been investigating the causes of climate change for decades. After thousands of studies, the scientific consensus is that it is "unequivocal that human influence has warmed the atmosphere, ocean and land since pre-industrial times."
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 ...
Human population — Biocapacity • climate change • Carrying capacity • Exploitation • Industrialisation • I = PAT • Land degradation • Land reclamation • Optimum population • Overshoot (population) • Population density • Population dynamics • Population growth • Projections of population growth • Total fertility ...
A team of researchers from Mainland China and Hong Kong were able to establish a causal connection between climate change and large-scale human crises in pre-industrial times. Short-term crises may be caused by social problems, but climate change was the ultimate cause of major crises, starting with economic depressions. [30]
Adapting to climate change through efforts like flood control measures or drought-resistant crops partially reduces climate change risks, although some limits to adaptation have already been reached. Poorer communities are responsible for a small share of global emissions , yet have the least ability to adapt and are most vulnerable to climate ...
C. Carbon literacy; Carbon lock-in; Climate and energy; Climate change and children; Climate change and crime; Climate change and gender; Climate change and indigenous peoples
The responsibility for climate change differs substantially among individuals and groups. Many of the people and nations most affected by climate change are among the least responsible for it. [31] [32] The most affluent citizens of the world are responsible for most environmental impacts. Robust action by them and their governments is ...
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.