Results 21 to 30 of about 249,954 (197)

Characterization of aerosol particles during a high pollution episode over Mexico City

open access: yesScientific Reports, 2021
More than 7 thousand wildfires were recorded over Mexico in 2019, affecting almost 640 thousand hectares. Most of these fires occurred during the spring season generating dense smoke plumes, impacting urban areas in the central part of the Mexican ...
Giovanni Carabali   +9 more
doaj   +1 more source

La química y los grandes delitos ambientales

open access: yesEducación Química, 2022
Los delitos ambientales son relevantes a escala planetaria debido a que agreden la salud y estabilidad de los ecosistemas y, en muchas instancias, los daños son irreversibles debido a la fragilidad de los ecosistemas.
Xochitl Cruz Núñez
doaj   +1 more source

Propuesta didáctica sobre evaluación de riesgos para la salud de las sustancias tóxicas atmosféricas

open access: yesEducación Química
En México, el marco regulatorio obliga a los sectores industriales que realizan actividades altamente riesgosas, a presentar una evaluación de riesgo ambiental en casos específicos como derrames, fugas, incendios o explosiones sin tomar en cuenta, los ...
Faviola Altúzar Villatoro   +1 more
doaj   +1 more source

Effect of tequila vinasse irrigation on soil physicochemical properties, heavy metals, and bacterial communities in soils cultivated with Agave tequilana

open access: yesFrontiers in Soil Science
Tequila production yields 10–12 liters of tequila vinasses (TV) per liter of product, posing significant waste management challenges. Land application offers a cost-effective disposal method with potential fertilization benefits, though its impact on ...
Marycarmen Verduzco Garibay   +10 more
doaj   +1 more source

The visible and invisible drivers of biocultural loss in the Amazon

open access: yesPeople and Nature, EarlyView.
Abstract The Amazon is rapidly approaching an ecological tipping point driven by deforestation, forest degradation and global climate change. These are visible issues that receive increasing political and public attention. However, the accelerating biocultural loss in the Amazon, including the extinction of Indigenous languages, the disruption of ...
Torsten Krause   +5 more
wiley   +1 more source

Enseñanza de química atmosférica mediante modelado computacional interactivo: Una aproximación innovadora con JupyterHub, JupyterLab y BOXMOX

open access: yesEducación Química
Este artículo presenta una metodología innovadora para la enseñanza de la química atmosférica en licenciatura mediante modelación computacional interactiva.
José Agustín García Reynoso   +4 more
doaj   +1 more source

An assessment of climate change impacts on the tropical forests of Central America using the Holdridge Life Zone (HLZ) land classification system

open access: yesiForest - Biogeosciences and Forestry, 2013
Ecological models have predicted shifts in forest biomes, yet there have been very few studies that have looked at the implications on carbon stocks due to these shifts.
Khatun K, Imbach P, Zamora J
doaj   +1 more source

Políticas de cambio climático en Costa Rica, integrando esfuerzos para asumir los retos [PDF]

open access: yes, 2017
Ante el fenómeno de cambio climático, que muchos consideran el mayor reto que la humanidad ha enfrentado, las políticas públicas son cruciales. Con el fin de establecer la capacidad de Costa Rica para alcanzar los objetivos de la Estrategia Nacional de ...
Amit, Ronit - Autor/a   +2 more
core  

Epistemic opacity in Antarctic science: Unknowing the last frontier

open access: yesPeople and Nature, EarlyView.
Abstract Antarctica is facing intensifying pressures from climate change, industrial fishing, tourism and renewed geopolitical competition, even as scientific activity on the continent reaches unprecedented levels. We argue that this proliferation of research often fails to deliver the integrated, policy‐relevant knowledge needed for precautionary ...
Virginia Morandini, Álvaro Soutullo
wiley   +1 more source

Total Mass Flux in the Northern Humboldt Current System: Rates and Contribution Sources from Central Peru (12° S)

open access: yesHydrobiology, 2023
The total mass flux (TMF) of particulate organic matter (POM) is key for understanding the energetic transfer within the “biological pump” (i.e., involving the carbon cycle), reflecting a critical connection between the surface and the bottom.
Bobby Leigh   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy