For information on meteorology in 2021, see Meteorology in the 21st century § 2021.
This article documents events, research findings, scientific and technological advances, and human actions to measure, predict, mitigate, and adapt to the effects of global warming and climate change—during the year 2021.
and 30 Related for: 2021 in climate change information
In common usage, climatechange describes global warming—the ongoing increase in global average temperature—and its effects on Earth's climate system....
The scientific community has been investigating the causes of climatechange for decades. After thousands of studies, it came to a consensus, where it...
Climatechangein Africa is an increasingly serious threat as Africa is among the most vulnerable continents to the effects of climatechange. Some sources...
Effects of climatechange are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an...
Panel on ClimateChange (IPCC) is an intergovernmental body of the United Nations. Its job is to advance scientific knowledge about climatechange caused...
Climatechange mitigation (or decarbonisation) is action to limit the greenhouse gases in the atmosphere that cause climatechange. Greenhouse gas emissions...
Climatechange vulnerability is a concept that describes how strongly people or ecosystems are likely to be affected by climatechange. Its formal definition...
Climatechange denial (also global warming denial) is a form of science denial characterized by rejecting, refusing to acknowledge, disputing, or fighting...
The effects of climatechange on human health are increasingly well studied and quantified. Rising temperatures and changesin weather patterns are increasing...
Climatechange has been a critical issue in Australia since the beginning of the 21st century. Australia is becoming hotter and more prone to extreme...
The politics of climatechange results from different perspectives on how to respond to climatechange. Global warming is driven largely by the emissions...
A climatechange scenario is a hypothetical future based on a "set of key driving forces".: 1812 Scenarios explore the long-term effectiveness of mitigation...
Climatechange has resulted in an increase in temperature of 2.3 °C (2022) in Europe compared to pre-industrial levels. Europe is the fastest warming...
Framework Convention on ClimateChange (UNFCCC) is the UN process for negotiating an agreement to limit dangerous climatechange. It is an international...
India is ranked fourth among the list of countries most affected by climatechangein 2015. India emits about 3 gigatonnes (Gt) CO2eq of greenhouse gases...
Climatechange has led to the United States warming by 2.6 °F (1.4 °C) since 1970. The climate of the United States is shifting in ways that are widespread...
Climatechange adaptation is the process of adjusting to the effects of climatechange. These can be both current or expected impacts. Adaptation aims...
Climatechange is a critical issue in Bangladesh as the country is one of the most vulnerable to the effects of climatechange. In the 2020 edition of...
Climatechange feedbacks are processes in the climate system which amplify or diminish the effect of forces that initially cause the warming. Positive...
Climatechange is having serious impacts in the Philippines such as increased frequency and severity of natural disasters, sea level rise, extreme rainfall...
The ClimateChange Committee (CCC), originally named the Committee on ClimateChange, is an independent non-departmental public body, formed under the...
Climatechange is having major effects on the Chinese economy, society and the environment. China is the largest emitter of carbon dioxide, through an...
is a primary contributor to climatechange, and climatechange affects the health of forests. Land use change, especially in the form of deforestation,...
Climate variability includes all the variations in the climate that last longer than individual weather events, whereas the term climatechange only refers...
impacts of climatechange. This is supported by the fact that Jakarta has been listed as the world's most vulnerable city, regarding climatechange. It is...
Climatechange is a major issue for the Maldives. As an archipelago of low-lying islands and atolls in the Indian Ocean, the existence of the Maldives...