Climate change

Climate Change

OCT 12 2025·Updated JAN 19

Context

Above: A view of an ice wall during the 5th National Arctic Scientific Research Expedition on July 15, 2025. Image credit: Sebnem Coskun/Anadolu/Getty Images

The Facts

Definition: Climate change refers to long-term shifts in global or regional weather patterns. Since the pre-industrial era, global temperatures have reportedly risen by approximately 1.1°C. Mainstream research largely attributes this to anthropogenic (human) activities — such as burning fossil fuels, deforestation, and industrial processes — which increase greenhouse gases like carbon dioxide and methane. These are believed to contribute to warming by trapping heat. However, a minority of scientists question whether warming is overstated or models exaggerate human influence.
NASA Science
UN
National Geographic
The New York Times
Daily Mail
World Meteorological Organization
arXiv
Anthropogenic Processes: Industrialized nations, particularly the U.S., China and Europe, have historically contributed most to carbon emissions. Since 1850, global CO₂ emissions have risen over 40%, with the energy sector responsible for about 73%. Developing nations like India are increasing emissions, but remain low per capita. Deforestation and agriculture also contribute significantly, while natural factors such as solar, volcanic, and ocean cycles are also studied. Some researchers argue these variations may play a greater role than currently assumed.
US EPA
European Commission
World Resources Institute
US EPA
Carbon Brief
Journals
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Impacts: Research has suggested a link between a warming climate and rising sea levels (3.7 mm/year), melting polar ice and extreme weather events and biodiversity loss. These studies suggest that, economically, flood and storm damage could cost $100 trillion by 2100, agriculture will face reduced yields, and heatwaves will increase health care costs. Labor productivity losses are projected to cost $2 trillion annually by 2050. However, projections carry uncertainties due to regional variability, adaptation, and natural factors.
EKI Energy Services Limited
WHO
US EPA
New York Post
CNN
Copernicus
IPCC
Earth.Org
World Weather Attribution
Aei
Onlinelibrary
Commonslibrary
SpringerLink
Paris Agreement: Adopted in 2015 by 196 countries, the Paris Agreement aims to limit global warming to well below 2°C, ideally 1.5°C, above pre-industrial levels. Nations submit Nationally Determined Contributions (NDCs) outlining emission-reduction plans, with net-zero goals by 2050 via renewables, reforestation, and carbon capture. Over 140 countries, representing 90% of emissions, have pledged net zero, but current policies project a 2.4-3.5°C rise by 2100. Challenges include financing, reliance on unproven technologies, and the U.S. withdrawal under Donald Trump.
Unfccc
Climate Action Tracker
UNEP
Reuters
FOX News
United States Congress
Climate and Geopolitical Dynamics: The world's wealthiest countries, which represent 16% of the global population, produce nearly 40% of CO₂ emissions, according to the Global Carbon Project. Per capita emissions in the U.S. are 15.5 tons annually — eight times India’s 1.9 tons. The top 10 emitters, including China, the U.S., and India, produce 67% of emissions, while the 100 lowest-emitters contribute 3.2%. Less industrialized nations, such as small island states and developing countries, reportedly face severe climate impacts despite their low emissions, and 70% of countries see climate change as a security concern.
Earth.Org
Statista
Worldometers
FOX News
Climate Watch Data
American Security Project
Attitudes: Though the International Court of Justice delivered an advisory opinion in July declaring that countries failing to protect the climate system may violate international law, attitudes toward climate change vary widely. About 65% of people globally see climate change as a serious threat, with younger generations, especially Gen Z, advocating for action. However, skepticism persists, especially in some industrialized nations, where 10-15% of people question human-driven climate change, often citing natural variability or distrust in scientific models.
Unfccc
Pew Research Center
Yale Climate Connections
Gallup.com
Pew Research Center
Pew Research Center

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The Spin

Climate-concerned narrative

Climate change is a global crisis that scientific consensus holds is driven by human activities. NASA and IPCC data confirm a 1.1°C temperature rise, causing melting ice, rising seas, and extreme weather that threaten ecosystems, food security and coastal communities, and could lead to severe economic damage. Urgent action — cutting emissions, expanding renewables, and enforcing the Paris Agreement — is critical to limit warming to 1.5°C and prevent irreversible impacts.

Climate-skeptic narrative

Climate change is overstated and driven by natural cycles rather than human activity. Historical temperature fluctuations predate industrialization, and Antarctic ice has expanded in some areas. IPCC models exaggerate warming, and NASA's short-term data ignores geological trends. Sea-level rise (3.7 mm/year) is manageable, yet economic costs are inflated to justify restrictive policies. Alarmist narratives distract from practical solutions like innovation and adaptation.

Effective Altruism Forum

The Ferret

Optimist narrative

Climate change is real but manageable through innovation and human progress. The focus should be on improving lives, not fear. Advances in renewables, electric vehicles, and nuclear energy have already cut projected emissions by over 40%. Lowering the Green Premium and investing in affordable zero-carbon technologies can help the world adapt and thrive while continuing the progress already underway.