{"query_echo":{"q":"","filters":{"analysis_type":["scientific explanation"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'scientific explanation' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":1,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=scientific+explanation","stability":"beta","ai_marking":{"digital_source_type":{"uri":"http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia","name":"Created using Generative AI"},"notice":"Summary and key insights are generated using artificial intelligence."},"results":[{"id":"climstra-000455","url":"https://climateinsightsdirectory.org/document/climstra-000455","title":"UNDERSTANDING \u001c2 o C\u001d \u0013 And why \u0017slipping off 2\u0017 really matters","publisher":{"name":"Climate Strategies","organization":"climate-strategies"},"document_type":"briefing","language":"en","date_published":null,"source_url":"https://climatestrategies.org/wp-content/uploads/2014/11/understanding-2-degrees-c-final-28-feb-10.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"The document argues that global average temperature targets like 2°C are simplistic indicators that mask local climate extremes and probabilistic risks. It details three types of emissions pathways to achieve these targets, noting that 'likely' chances of staying below 2°C often depend on high reduction rates or the feasibility of negative emissions technologies like BECCS. It further asserts that meeting a 1.5°C goal necessitates significant negative emissions in the latter half of the century.","ai_generated":true,"unit":"climstra-000455#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"A global average temperature increase of 2°C is an indicator of local changes and does not reflect actual conditions 'on the ground'; it can result in much higher temperature changes for specific land masses depending on latitude and altitude.","ai_generated":true,"unit":"climstra-000455#insight-1","date_modified":"2026-10-23"},{"text":"Temperature targets are based on probabilities rather than certainties. A 'likely chance' of staying below 2°C is defined as a probability higher than 66%, while a 'medium chance' is between 50-66%.","ai_generated":true,"unit":"climstra-000455#insight-2","date_modified":"2026-10-23"},{"text":"Small shifts in emissions pathways can significantly increase the risk of extreme warming. For example, a pathway with a 50% probability of a 2.5°C rise may have a risk of exceeding 3.0°C that is more than triple that of a pathway with a 50% probability of a 2.0°C rise.","ai_generated":true,"unit":"climstra-000455#insight-3","date_modified":"2026-10-23"},{"text":"There are three theoretical pathways to 2°C: Type I (early, lower peak with moderate-high reductions), Type II (later, higher peak with very high reductions), and Type III (later, higher peak with high reductions and substantial negative emissions).","ai_generated":true,"unit":"climstra-000455#insight-4","date_modified":"2026-10-23"},{"text":"Type II pathways are generally not considered feasible for a 'likely' chance of staying below 2°C due to practical constraints related to the lifetimes of infrastructure and machinery, such as power stations (approx. 40 years) and building stock.","ai_generated":true,"unit":"climstra-000455#insight-5","date_modified":"2026-10-23"},{"text":"Achieving a 'likely' chance of staying below 2°C in Type III scenarios requires negative emissions, primarily through Bio-Energy combined with Carbon-Capture-and-Storage (BECCS), which removes CO2 from the air by storing biomass oxidation products underground.","ai_generated":true,"unit":"climstra-000455#insight-6","date_modified":"2026-10-23"},{"text":"No modelled emissions pathways of Type I or Type II provide a 'likely chance' of meeting a 1.5°C goal; this target requires significant negative emissions in the second half of the century to recover after an initial overshoot.","ai_generated":true,"unit":"climstra-000455#insight-7","date_modified":"2026-10-23"}],"climate_tags":["bio-energy with carbon capture and storage","carbon capture and storage"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["scientific explanation","policy assessment"]}]}