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Today, climate change remains a pressing issue, with continued research and activism underscoring the urgency for comprehensive policy responses. As the effects of climate change become increasingly visible, the historical journey from early scientific understanding to international action highlights the critical need for ongoing engagement and ...
Climate psychology is a field that aims to further our understanding of our psychological processes' relationship to the climate and our environment. It aims to study both how the climate can impact our own thoughts and behaviors, as well as how our thoughts and behaviors impact the climate.
By the end of the 21st century people could be exposed to indoor CO 2 levels of up to 1400 ppm, triple the amount commonly experienced outdoors today. This may cut humans' basic decision-making ability indoors by ~25% and complex strategic thinking by ~50% due to carbon dioxide toxicity. [28] [29] [30]
Deforestation is a major source of greenhouse gas emissions. A study shows annual carbon emissions (or carbon loss) from tropical deforestation have doubled during the last two decades and continue to increase. (0.97 ±0.16 PgC per year in 2001–2005 to 1.99 ±0.13 PgC per year in 2015–2019) [136] [135]
Anthropogenic carbon emissions exceed the amount that can be taken up or balanced out by natural sinks. [41] Thus carbon dioxide has gradually accumulated in the atmosphere and, as of May 2022, its concentration is 50% above pre-industrial levels. [3]
Carbon dioxide is an invisible gas, and it causes changes in overall average global temperatures, both of which are difficult, if not impossible, for one single person to discern. [16] Due to these distances in time, space, and influence, climate change becomes a far-away, abstract issue that does not demand immediate attention.
Global net-zero emissions describe the state where emissions of greenhouse gases due to human activities and removals of these gases are in balance over a given period. It is often called simply net zero. [2] In some cases, emissions refers to emissions of all greenhouse gases, and in others it refers only to emissions of carbon dioxide (CO 2). [2]
The following table lists the annual CO 2 emissions estimates (in kilotons of CO 2 per year) for the year 2023, as well as the change from the year 2000. [4] The data only consider carbon dioxide emissions from the burning of fossil fuels and cement manufacture, but not emissions from land use, land-use change and forestry.