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Fossil fuels impact on weather events in the United States
The briefing links the increased frequency and intensity of US extreme weather events, such as the July 2023 heatwave and August 2024 California wildfires, to climate change driven by fossil fuels. It highlights that US oil and gas production emissions rose roughly 42% between 2011 and 2022 and notes that 88 large fossil fuel and cement companies are responsible for 48% of the rise in fire-danger conditions in the region. The document argues for corporate accountability, citing a Climate Analytics estimate that the 12 most polluting companies are responsible for USD 15 trillion in economic damages from 1985 to 2018. While the US has seen significant growth in solar and wind capacity and electric vehicle sales, primary energy consumption remains dominated by petroleum (38%), natural gas (36%), and coal (9%) as of 2023.
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Document type: Briefing
Identifying regional heatwaves, droughts, floods
The authors propose a streamlined framework to detect and map extreme events—specifically heatwaves, droughts, and floods—by selecting optimal environmental indicators and thresholds. Tested in Sweden using data from 1922–2021, the framework identified increasing occurrences of heatwaves and floods in large areas, while finding no significant trend for droughts. The study also identified compound hazard hotspots in northern Sweden, where drought-heatwave and drought-flood events are positively correlated between June and August.
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Document type: Research paper
ENVIRONMENTAL JUSTICE AND CIVIL RIGHTS ADVOCATES’ RESPONSE TO PETITION FOR RULEMAKING TO RESCIND EPA’S TITLE VI DISPARATE IMPACT REGULATIONS
A coalition of advocates argues that the EPA's disparate impact regulations under Title VI of the Civil Rights Act of 1964 are essential for protecting marginalized communities from disproportionate environmental harms. The document details systemic environmental racism, provides case studies of both successful and failed civil rights enforcement, and urges the EPA to strengthen rather than roll back these protections.
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Document type: Statement
Disenfranchised by Climate Change
The report examines the intersection of climate change and democratic processes, detailing how extreme heat, floods, and wildfires disrupt voter registration, polling access, and ballot counting. It provides evidence of recent climate-driven disruptions in the US, India, and Pakistan, and analyzes temperature anomalies in 60 countries during the 2024 election cycle. The authors advocate for systemic changes, such as flexible voting arrangements, improved risk mapping, and updated emergency statutes, to protect the fundamental right to vote on a warming planet.
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Document type: Report
Rwanda’s Climate Adaptation Monitoring, Evaluation, and Learning System in the Human Settlements and Transport Sectors
The report evaluates three primary climate adaptation indicators in Rwanda: the proportion of rural populations in clustered settlements, access to water and sanitation services, and the reduction of road vulnerability to floods and landslides. It finds that while planned rural settlements have increased to 65.4% and water access has improved, significant gaps remain in sanitation coverage and road resilience. The document highlights the effectiveness of engineering solutions like gabions and terracing for road stability and the social benefits of Integrated Development Programme (IDP) model villages, while recommending increased investment in climate-resilient infrastructure and better inter-sectoral coordination.
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Document type: Report
Una idea para tus historias: Los incendios forestales
The guide explains how climate change intensifies wildfires by increasing evaporation and drying out vegetation, creating a feedback loop where fires destroy carbon sinks and emit more carbon. It highlights specific regional impacts in the United States and Canada and provides journalistic advice on covering the long-term effects of fires, such as landslides and public health crises.
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Document type: Guide
Story Spark: Wildfires
The guide explains how climate change creates conditions for more severe and frequent wildfires in the US, while offering practical reporting tips for journalists to cover the long-term impacts, public health risks, and the role of 'good fire'.
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Document type: Guide
Co-designing in Tandem
The study tests the Tandem framework—a non-prescriptive guide for co-designing climate services—in Indonesia, Sweden, and Colombia. The authors found the framework effective in transforming climate information from 'useful' to 'usable' by building trust and institutional embedding. Based on these cases, the framework was enhanced to better incorporate vulnerability scoping, social equity, traditional knowledge, governance scales, and impact indicators.
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Document type: Research paper
Vulnerability and Displacement: Case of Kihoto, Kenya
The case study examines how the 2020 flooding of Lake Naivasha and subsequent water level rise exacerbated vulnerabilities in the Kihoto informal settlement. Findings indicate that the combined impact of floods, displacement, and the COVID-19 pandemic severely eroded long-term resilience, particularly for women aged 18-35 and those employed in horticulture and agriculture. The report highlights that a lack of official response capacity and limited access to basic services like sanitation and healthcare further increased displacement risks and slowed economic recovery.
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Document type: Case study
Reportando sobre el cambio climático 101
The document serves as a '101' guide for journalists to report on climate change, explaining the difference between weather and climate, the primary causes of global warming, and the impacts of extreme weather. It offers specific phrasing to help reporters connect current events to climate change and distinguishes between mitigation and adaptation strategies. Additionally, it provides professional guidance on avoiding greenwashing, handling climate deniers, and centering climate justice in reporting, while emphasizing that climate coverage is based on scientific consensus rather than activism.
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Document type: Guide
Increasing April-May rainfall, El Niño and high vulnerability behind deadly flooding in Afghanistan, Pakistan and Iran
The study analyzes severe flooding in Afghanistan, Pakistan, and Iran during April and May 2024, which caused hundreds of deaths and significant infrastructure damage. While the event occurred outside the typical winter rainfall season, researchers found that a declining El Niño increased the likelihood of such rainfall by approximately two times and intensity by about 8% compared to neutral years. The analysis concludes that human-induced climate change cannot be definitively attributed as the main driver due to discrepancies between observational data and climate model signals, although a 40-year observational trend shows an increase in heavy rainfall. The report emphasizes that high vulnerability—driven by deforestation, unplanned urban expansion, and limited water management—exacerbated the disaster's impact.
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Document type: Research paper
Climate Change Reporting 101
The document serves as an introductory resource for journalists to understand the causes and impacts of climate change and how to report on them accurately. It defines key terms, explains the role of greenhouse gases and fossil fuels, and details the effects of warming on weather patterns. The guide offers specific phrasing to help reporters connect extreme weather events to human-caused climate change and distinguishes between mitigation and adaptation strategies. It also outlines international and national policy frameworks, such as the Paris Agreement and the US Inflation Reduction Act, while advising journalists on how to avoid pitfalls like greenwashing and the platforming of climate deniers.
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Document type: Guide
People Exposed to Climate Change: March-May 2024
Between March and May 2024, global temperature records were broken for three consecutive months. Using the Climate Shift Index (CSI), the analysis found that approximately one in four people worldwide experienced temperatures at least three times more likely due to climate change (CSI level 3+) daily. Exposure peaked on April 6, 2024, with 2.7 billion people affected. The most severe impacts were concentrated in Africa, Southeast Asia, Central America, and South America, with 44% of Africa's population experiencing the most extreme attributable heat (CSI level 5 for 60+ days). The report also highlights a strong regional contrast in the U.S., where coastal areas and islands showed higher CSI signals despite lower temperature anomalies compared to the Upper Midwest.
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Document type: Report
Climate change made the floods in southern Brazil twice as likely
The study finds that human-induced climate change, driven by the burning of fossil fuels, made the extreme rainfall events in Rio Grande do Sul more than twice as likely and increased their intensity by 6-9%. The El Niño Southern Oscillation also played a significant role, increasing the likelihood of such events by a factor of 2-5. The floods affected over 90% of the state, causing 169 deaths and displacing over 580,000 people, with impacts exacerbated by poverty, failing flood protection infrastructure in Porto Alegre, and inconsistent enforcement of environmental protection laws.
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Document type: Research paper
What to expect from La Niña
The document describes La Niña as the cool phase of the El Niño-Southern Oscillation (ENSO) cycle, characterized by the movement of cold water to the central and eastern Pacific surface. For 2024, there is an 85% chance of a transition to neutral conditions between April and June, and a 60% chance of La Niña developing by June to August. The text highlights that multi-year La Niña events are increasing in frequency, with five of the last ten occurring in the past 25 years. While La Niña temporarily lowers global average surface temperatures by about 0.1C, it does not offset human-caused warming; recent La Niña years have been among the top 10 hottest years ever. Regional impacts include drier conditions in East Africa and the southern US, and wetter conditions in Southeast Asia, India, and northern South America, affecting various crop yields and increasing the risk of floods and droughts.
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Document type: Fact sheet
Tragic Flooding in Brazil; a Wake-Up Call for the World
The document addresses the humanitarian and environmental crisis caused by record-breaking rainfall in Rio Grande do Sul, Brazil, affecting nearly 1.5 million people. It attributes the severity of the disaster to both global greenhouse gas emissions from wealthy nations and domestic failures, including the dismantling of environmental legislation and a lack of integrated disaster management. The author advocates for a transition from 20th-century concrete infrastructure to 21st-century nature-based solutions and integrated urban land use management to enhance climate resilience.
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Document type: Statement
A Climate Security Plan for the UK Home Office
The report identifies that climate change creates systemic stressors for the UK Home Office, ranging from direct threats to public health and infrastructure to indirect risks like societal polarization and organized crime. It argues that the Home Office must move from a reactive to a proactive posture by establishing a high-level climate security policy initiative. The proposed Action Plan is built on four pillars: exercising sustained leadership, understanding and anticipating risks through better data and literacy, collaborating with domestic and international partners, and implementing specific preventative measures to protect citizens and maintain social cohesion.
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Document type: Report
COMPREHENSIVE WEALTH REPORT Indonesia
The report analyzes Indonesia's Comprehensive Wealth Index (CWI), which grew by an average of 4.3% annually between 1995 and 2020, driven primarily by human and produced capital. However, real per capita GDP grew more slowly at 2.8%, indicating a declining rate of return on wealth from 6.8% in 1995 to 4.8% in 2020. The study highlights inefficiencies in natural resource management and a lack of investment in renewable energy, suggesting that better asset management could have pushed Indonesia into the World Bank's upper-middle-income category by 2020.
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Document type: Report
Seasonal Attribution Report
Between December 2023 and February 2024, carbon pollution drove abnormal warmth for approximately 80% of the global population. Roughly 4.8 billion people experienced at least one day of temperatures that would be 'virtually impossible' without climate change. The report highlights extreme temperature anomalies in the U.S. upper Midwest and Canada, as well as high Climate Shift Index (CSI) levels in tropical regions of Southeast Asia, Sub-Saharan Africa, and the Caribbean. It also documents associated extreme weather events, including record-breaking heat in Australia and deadly floods in the Democratic Republic of the Congo.
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Document type: Report
Reducing vulnerability and improved land management needed with increasing heavy rainfall in Mindanao Island, Southern Philippines
A study of heavy rainfall in eastern Mindanao (Caraga and Davao regions) between December and February found a strong upward trend in extreme rainfall in observations, though climate models failed to replicate this trend, preventing a quantified attribution to human-induced climate change. The analysis notes that El Niño typically reduces rainfall in this region during the Northeast monsoon, suggesting rainfall could have been more extreme without it. High vulnerability to flooding is attributed to poverty, protracted conflict, deforestation, urban wetland loss, and stalled disaster risk management policies, including the failure of automated sensors since 2022.
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Document type: Research paper