Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Energy Budgets00:51

Energy Budgets

10.9K
Organisms must balance energy intake with the energy required for growth, maintenance and reproduction. These trade-offs result in a variety of survivorship and reproductive strategies, including semelparity and iteroparity. Semelparous species, like annual plants, have only one reproductive episode in their lifetimes and consequently have short lifespans. Iteroparous species, by contrast, have many reproductive events during their lifetimes but have relatively few offspring. These two...
10.9K
The Carbon Cycle01:14

The Carbon Cycle

44.2K
Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
44.2K
Carbon Skeletons01:12

Carbon Skeletons

115.6K
Life on Earth is carbon-based, as all macromolecules that make up living organisms contain carbon atoms. All organic compounds have a carbon backbone. Each carbon atom is tetravalent and can bond with four other atoms, making it an extraordinarily flexible component of biological molecules. Because carbon’s valence electrons are stable, it rarely becomes an ion. As the carbon chain increases in length, structural modifications such as ring structures, double bonds, and branching side...
115.6K
Levels of Organization01:09

Levels of Organization

141.8K
Biological organization is the classification of biological structures, ranging from atoms at the bottom of the hierarchy to the Earth's biosphere. Each level of the hierarchy represents an increase in complexity that builds upon the previous level.
Molecules Are Composed of Atoms, and Biomolecules Are Assembled from Molecules:
The most basic levels include atoms, molecules, and biomolecules. Atoms, the smallest unit of ordinary matter, are composed of a nucleus and electrons. Molecules...
141.8K
Tumor Progression02:07

Tumor Progression

7.5K
Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
7.5K
Leveling Effect01:29

Leveling Effect

1.5K
In acid-base chemistry, the leveling effect refers to the limitation imposed by the solvent on the strength of acids and bases in solution. When a base stronger than the solvent's conjugate base is used, it deprotonates the solvent until the base is entirely consumed, making it ineffective against weaker acids. Conversely, an acid stronger than the solvent's conjugate acid protonates the solvent until the acid is depleted, rendering it ineffective against weaker bases. Essentially, the...
1.5K

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Uncertain dynamic response of mid-latitude winter precipitation.

Nature·2026
Same author

Detecting anthropogenically induced changes in extreme and seasonal evapotranspiration observations.

Nature communications·2026
Same author

Precipitation disaster hotspots depend on historical climate variability.

Nature communications·2025
Same author

Early-twentieth-century cold bias in ocean surface temperature observations.

Nature·2024
Same author

Geological Net Zero and the need for disaggregated accounting for carbon sinks.

Nature·2024
Same author

Increasing extreme precipitation variability plays a key role in future record-shattering event probability.

Communications earth & environment·2024
Same journal

Sub1 contributes to heart failure with preserved ejection fraction driven by aging in mice.

Nature communications·2026
Same journal

The BRCA1-A complex restricts replication fork reversal-dependent DNA repair in ATM deficient cells.

Nature communications·2026
Same journal

Signaling downstream of tumor-stroma interaction regulates mucinous colorectal adenocarcinoma apicobasal polarity.

Nature communications·2026
Same journal

Click-polymerized polyenamine membranes for efficient lithium extraction.

Nature communications·2026
Same journal

Joint trajectories of brain atrophy, white matter hyperintensities and cognition quantify brain maintenance.

Nature communications·2026
Same journal

Proton shuttling at electrochemical interfaces under alkaline hydrogen evolution.

Nature communications·2026
Ver todos los artículos relacionados

Video Experimental Relacionado

Updated: Feb 15, 2026

Radionuclide-fluorescence Reporter Gene Imaging to Track Tumor Progression in Rodent Tumor Models
10:04

Radionuclide-fluorescence Reporter Gene Imaging to Track Tumor Progression in Rodent Tumor Models

Published on: March 13, 2018

12.6K

Seguimiento del progreso de mitigación a nivel de país utilizando presupuestos de carbono consistentes con NGHGI

Konstantin Weber1, Cyril Brunner2, Reto Knutti2

  • 1Institute for Atmosphere and Climate Science ETH Zurich, Zurich, Switzerland. konstantin.weber@env.ethz.ch.

Nature communications
|February 13, 2026
PubMed
Resumen
Este resumen es generado por máquina.

Los presupuestos de carbono restantes (RCB) nacionales ahora están alineados con los estándares de inventario de gases de efecto invernadero. Este ajuste reduce significativamente los RCB globales, lo que indica que el presupuesto de 1,5 °C puede agotarse para 2027, y muchas naciones superan su parte justa.

Palabras clave:
presupuestos de carbonomitigación climáticainventarios de gases de efecto invernaderojusticia climáticaAcuerdo de París

Más Videos Relacionados

Live Imaging Followed by Single Cell Tracking to Monitor Cell Biology and the Lineage Progression of Multiple Neural Populations
10:55

Live Imaging Followed by Single Cell Tracking to Monitor Cell Biology and the Lineage Progression of Multiple Neural Populations

Published on: December 16, 2017

9.2K
Vision Training Methods for Sports Concussion Mitigation and Management
12:54

Vision Training Methods for Sports Concussion Mitigation and Management

Published on: May 5, 2015

18.1K

Videos de Experimentos Relacionados

Last Updated: Feb 15, 2026

Radionuclide-fluorescence Reporter Gene Imaging to Track Tumor Progression in Rodent Tumor Models
10:04

Radionuclide-fluorescence Reporter Gene Imaging to Track Tumor Progression in Rodent Tumor Models

Published on: March 13, 2018

12.6K
Live Imaging Followed by Single Cell Tracking to Monitor Cell Biology and the Lineage Progression of Multiple Neural Populations
10:55

Live Imaging Followed by Single Cell Tracking to Monitor Cell Biology and the Lineage Progression of Multiple Neural Populations

Published on: December 16, 2017

9.2K
Vision Training Methods for Sports Concussion Mitigation and Management
12:54

Vision Training Methods for Sports Concussion Mitigation and Management

Published on: May 5, 2015

18.1K

Área de la Ciencia:

  • Ciencia Climática
  • Política Ambiental
  • Ciencias del Sistema Terrestre

Sus antecedentes:

  • Los presupuestos de carbono restantes (RCB) son cruciales para evaluar los esfuerzos nacionales de mitigación climática.
  • Las estimaciones actuales de RCB carecen de coherencia con los estándares de contabilidad de los inventarios nacionales de gases de efecto invernadero (NGHGI).
  • Las inconsistencias dificultan el seguimiento preciso de los objetivos climáticos globales y las responsabilidades nacionales.

Objetivo del estudio:

  • Alinear los cálculos del RCB nacional con los estándares establecidos de contabilidad de NGHGI.
  • Proporcionar estimaciones actualizadas y metodológicamente consistentes de los RCB globales y nacionales.
  • Evaluar el progreso a nivel de país hacia objetivos climáticos como 1,5 °C y 2 °C.

Principales métodos:

  • Conciliación de los cálculos de RCB con los principios de contabilidad de CO2 utilizados en los NGHGI.
  • Cuantificación del impacto de la alineación con NGHGI en los RCB globales para escenarios de 1,5 °C y 2 °C.
  • Cálculo de RCB nacionales consistentes con NGHGI utilizando métodos de asignación comunes.
  • Evaluación de los RCB nacionales frente a los principios de equidad descritos en el Acuerdo de París.

Principales resultados:

  • La alineación con NGHGI reduce el RCB global de 1,5 °C (50 %) en ~100 GtCO2 (~50 %) y el RCB de 2 °C (66 %) en ~200 GtCO2 (~20 %) para 2024. Se estima que el RCB global de 1,5 °C (50 %) consistente con NGHGI se agotará en 2027. Para 2025, entre 64 y 85 países pueden haber superado su parte equitativa del RCB de 1,5 °C (50 %).

Conclusiones:

  • La alineación de los RCB con los estándares NGHGI proporciona un marco más sólido para el seguimiento del progreso de la mitigación.
  • Los esfuerzos nacionales actuales de mitigación, cuando se evalúan frente a los RCB consistentes con NGHGI, revelan un gasto excesivo significativo de las partes equitativas de carbono para muchos países.
  • El marco desarrollado apoya evaluaciones más precisas a nivel de país de la acción climática y la rendición de cuentas.