Climate change
Human-caused changes to climate on Earth
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We include updates on List of countries by carbon dioxide emissions per capita, El Niño–Southern Oscillation, Atlantic meridional overturning circulation, Gulf Stream, Greenhouse effect, List of countries by carbon dioxide emissions, Greenhouse gas emissions, Carbon capture and storage, Sea level rise, Food security, Global cooling, Carbon cycle, Global surface temperature, Representative Concentration Pathway, Friederike Otto, Shared Socioeconomic Pathways ... and more.
| 2025 |
International Tundra Experiment
Chelsea Little begins leadership of the Garibaldi Park ITEX site.
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| 2025 | Work on the National Climate Assessment halted when funding was eliminated during the second Trump Administration, interrupting the scheduled five-year reporting cycle. |
| April 18 2025 |
Sea level rise
The World Economic Forum reported that rising sea levels caused by climate change were impacting 1 billion people worldwide.
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| 2025 | Start of the projected period for potential climate reparations, where the top 21 fossil fuel companies could owe cumulative climate reparations of $5.4 trillion through 2050. |
| April 2025 |
Economic analysis of climate change
A study published in Environmental Research Letters reveals that household wealth could decrease by 40% if global temperatures rise by 4 degrees Celsius, highlighting the severe economic consequences of unchecked climate change.
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| 2025 |
Retreat of glaciers since 1850
Schoolroom Glacier in Grand Teton National Park is expected to completely disappear.
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| April 1 2025 |
Locations and entities by greenhouse gas emissions
Deadline set by the South African Department of Forestry, Fisheries, and the Environment for Sasol to comply with legal emission limits under the Air Quality Act 2004.
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| 2025 |
Climate crisis
Within weeks of his second inauguration, U.S. President Donald Trump's administration flags 'climate crisis' as a word to limit or avoid on government websites and documents.
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| 2025 |
FAO partnership with the African Union's CAADP framework aims to end hunger in Africa by this year, involving interventions like improved food production, social protection strengthening, and integrating the Right to Food into national legislation.
FAO regional workshop wraps up successfully with 11 African countries able to report their resilience to food and nutrition shocks | Agrifood Economics | Food and Agriculture Organization of the United Nations
www.fao.org
The African Union adopts ten-year strategy and action plan to transform Africa's agri-food systems and ensure food security | African Union
au.int
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| 2025 | Target year for reducing child stunting, with Central Asia, Eastern Asia, and the Caribbean regions on track to achieve their goals. |
| 2025 | Earth 300 plans to launch its innovative scientific research vessel, designed to be the largest superyacht dedicated to climate and oceanographic research. |
| 2025 |
Effects of climate change on small island countries
Caribbean SIDS projected to face average annual economic losses of 5%.
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| 2025 |
Climate change and cities
End of anticipated publication window for the third Urban Climate Change Research Network assessment report.
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| February 2025 |
Atlantic meridional overturning circulation
A Nature study concluded that the AMOC is resilient to extreme greenhouse gas and North Atlantic freshwater forcings across 34 climate models, suggesting an AMOC collapse is unlikely in the 21st century.
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| February 26 2025 |
Atlantic meridional overturning circulation
Scientists measure the AMOC strength at 17 Sverdrups, noting a decline from about 2004 and projecting a potential shutdown within 5 Sverdrups around the year 2175.
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| January 2025 |
Climate change in the Arctic
A scientific study published in the Proceedings of the National Academy of Sciences documented an abrupt climate-driven transformation of lakes in Greenland, shifting from 'blue' to 'brown' states due to record heat and rainfall, fundamentally altering the physical, chemical, and biological characteristics of these lake systems.
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| 2024 |
Coral bleaching
Fourth recorded mass bleaching event continued, with heat stress found in each major ocean basin of both the Northern Hemisphere and Southern Hemisphere.
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| 2024 |
International Tundra Experiment
Transition of site leadership, with Cassandra Elphinstone, Courtney Collins, and Nathalie Chardon completing their leadership term.
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| 2024 |
2024 in climate change
Global efforts continue to track and document the impacts of climate change, with a focus on measuring, predicting, mitigating, and developing adaptation strategies for environmental challenges.
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| 2024 |
Climate change books
Genevieve Hilton (writing as Jan Lee) and Steve Willis published 'Fairhaven', a book about climate solution innovators in Southeast Asia.
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| 2024 |
Climate change books
Intergovernmental Panel on Climate Change releases the Climate Change 2023: Synthesis Report, providing a comprehensive overview of climate science, mitigation strategies, and impacts.
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| 2024 |
Climate policy of China
China reduced its carbon intensity by 3.4% through a significant increase in renewable energy capacity, though this fell short of the annual target of 3.9% reduction.
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| 2024 | World Meteorological Organization estimates almost 50% chance of five-year average global temperature exceeding +1.5 °C between 2024 and 2028. |
| 2024 | Global temperatures exceeded 1.5°C above recent averages, highlighting the continuing trend of accelerated global warming. |
| 2024 | Recorded as the warmest year on record since regular temperature tracking began in 1850 |
| 2024 |
El Niño–Southern Oscillation
A paleoclimate study suggested El Niños had a strong influence on Earth's climate during the Permian-Triassic extinction event, associated with active volcanism.
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| 2024 |
Atlantic meridional overturning circulation
A study found that an AMOC collapse could cause the Amazon's seasonal cycle to reverse, with dry seasons becoming wet and wet seasons becoming dry.
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| 2024 |
Atlantic meridional overturning circulation
A modeling study predicted severe cooling in a pre-industrial world from an AMOC collapse, including significant sea surface temperature drops and potential sea ice reaching into British and Danish territorial waters.
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| 2024 |
Economic analysis of climate change
A study projected that by 2050, climate change will reduce average global incomes by likely 19%, with global annual damages reaching about $38 trillion by 2050.
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| 2024 |
Carbon capture and storage
Canadian Parliamentary Budget Officer estimates the federal CCS tax credit will cost CAD $5.7 billion, significantly higher than the original CAD $2.6 billion projection.
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| 2024 |
Coral bleaching
A major bleaching event occurred off Amami-Oshima island, killing 61.2% of corals. The bleaching was attributed to sea temperatures 2° higher than in 2023, highlighting the ongoing impact of rising ocean temperatures on coral ecosystems.
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| 2024 |
Climate change litigation
A study revealed emerging trends in climate change litigation, highlighting the strategic use of legal challenges to potentially impede climate action initiatives.
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| 2024 |
2024 Antarctica heat wave
El Niño conditions significantly contributed to increased Antarctic temperatures, as noted by MetDesk director Michael Dukes, alongside ongoing anthropogenic climate change.
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| 2024 |
Climate change in the Arctic
The Arctic transitioned from being a carbon sink to a carbon source, primarily due to rising temperatures and increasing wildfire activity, marking a significant shift in the region's environmental dynamics.
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| 2024 |
Climate change litigation
In a landmark climate change litigation case, the European Court of Human Rights ruled in Verein KlimaSeniorinnen Schweiz v. Switzerland that Switzerland violated the European Convention on Human Rights by failing to adequately address climate change. This was the first instance of an international court ruling that state inaction on climate change constitutes a human rights violation.
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| 2024 |
Climate change litigation
A court decided to pause the process of reclassifying Lake Marmara's land as non-wetland, with environmental organization Doğa calling for the court to annul the reclassification.
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| 2024 |
Climate change litigation
Mike Smith, a Māori climate activist, was granted leave by the New Zealand Supreme Court to sue seven corporations for their roles in causing climate change. His lawsuit argues that the defendants' activities harm his tribe's land, coastal waters, and traditional culture through greenhouse gas emissions and fossil fuel supply.
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| 2024 |
Climate change litigation
New Zealand Supreme Court ruled that a novel civil wrong of climate change damage can be asserted in future legal proceedings, as argued in the Smith v Fonterra Co-operative Group Ltd case.
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| 2024 |
Extinction risk from climate change
Review of 82 studies projected that 13.9-27.6% of species could go extinct by 2070 under moderate emission scenarios, and 22.7-31.6% under high-emission scenarios.
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| 2024 |
Extinction risk from climate change
Synthesis of 5 million projections from 485 studies suggested varying species extinction risks based on different global warming scenarios, ranging from 1.6% to 30% by 2100.
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| 2024 |
Climate change in Bangladesh
A heatwave occurred in Bangladesh.
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| 2024 |
Transition town
Psychological work related to Transition Network's inner transformation continued, focusing on emotional adaptation to a low-energy world and community resilience.
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| December 2024 |
2024 in climate change
NOAA's Arctic Report Card stated that the Arctic tundra has shifted from a carbon sink to a carbon source, continuing to be a methane source.
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| December 2024 |
Climate change litigation
The Supreme Court of South Africa halted government plans to add 1,500 megawatts of coal-fired power, ruling the proposal 'unlawful and invalid'. The court ordered the minister and regulator to pay costs to the complainants, marking a significant legal victory for environmental advocates.
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| December 30 2024 |
EU Regulation on Deforestation-free products
Implementation of the EUDR begins for medium and large businesses, requiring due diligence to ensure products are not from land deforested after 31 December 2020.
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| December 18 2024 |
2024 in climate change
The Montana Supreme Court affirmed the August 2023 trial court decision in Held v. Montana, ruling that limiting environmental considerations in oil and gas permit decisions violated youth plaintiffs' constitutional right to a safe environment.
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| December 18 2024 |
Climate change litigation
The Montana Supreme Court upheld the county court's original ruling in favor of the youth plaintiffs, confirming their constitutional environmental rights.
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| December 11 2024 |
2024 in climate change
An Earth's Future journal study projected sea level rise by 2100, ranging from low to high emissions scenarios.
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This contents of the box above is based on material from the Wikipedia articles Transition town, Carbon capture and storage, EU Regulation on Deforestation-free products, National Climate Assessment, List of climate change books, El Niño–Southern Oscillation, Retreat of glaciers since 1850, List of locations and entities by greenhouse gas emissions, International Tundra Experiment, Atlantic meridional overturning circulation, Food security, Climate crisis, 2024 in climate change, Earth 300, Sea level rise, Climate change and cities, Climate change in Bangladesh, Coral bleaching, Climate change in the Arctic, 2024 Antarctica heat wave, Climate change, Stern Review, Effects of climate change on small island countries, Climate change litigation, Climate policy of China, Economic analysis of climate change, Effects of climate change & Extinction risk from climate change, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.