Registros de contaminación del aire y emisiones de gases de efecto invernadero...

Inside Climate News 20 days ago

Registros de contaminación del aire y emisiones de gases de efecto invernadero no toman en cuenta la quema de plástico. Pero un estudio de 2023 liderado por Eri Saikawa, del proyecto Ecolectivos, estima que la quema de basura plástica en Guatemala, incluyendo la montaña en Santa María Xalapán, podría producir “incrementos considerables” de esas emisiones. Los resultados son alarmantes pero también sugieren que la quema de basura plástica es un problema mejorable, dijo Saikawa de la Universidad de Emory. “Simplemente creando acceso a recolección de basura, podríamos prevenir estas emisiones y mejorar la salud humana y del ecosistema.” Muchos guatemaltecos queman plástico para avivar los fuegos de su cocina o manejar la basura que se desborda, muchas veces sin saber que hacerlo libera microplásticos, compuestos carcinógenos, disruptores hormonales, y otros químicos tóxicos que puede afectar negativamente la salud humana. Lean más acerca de esto en nuestra página web, en los hipervínculos del perfil. ✍️ @lizamgross 📸 Soila Elizabeth Cruz Residents of low-income Indigenous Xinca villages in Guatemala who lack garbage-collection services are forced to burn their discarded plastic. Guatemala imported over 1.2 million tons of household plastics in a decade, with Chinese imports nearly tripling. Downtown Jalapa now hosts several stores devoted to selling plastic wares from China. Pungent plastic chemical odors fill Super China, where shelves overflow with mass-produced  plastic goods. Ecolectivos participants like Soila Elizabeth Cruz came up with strategies like community cleanups to reduce their need to burn plastic. Many women who worked with Ecolectivos still collect and sort items to recycle. But what’s really needed, they say, is a collection center for trash and recyclables. As hard as Ecolectivos participants are working to reduce their need to burn plastic, there is still so much plastic waste, many people feel they have no choice but to burn it.

layersDaily Sustainability Digest

Published about 4 hours ago

Britain’s sustainable construction agenda is shifting from ambition to delivery, with retrofit emerging as the decisive test for environmental sustainability in construction. The National Retrofit Hub’s call for a stronger UK framework highlights the need for reliable home assessment, finance, quality assurance and skills capacity. Retrofit is central to whole life carbon reduction because existing homes carry much of the built environment’s operational emissions, while embodied carbon, embodied carbon in materials and the carbon footprint of construction must be addressed through lifecycle assessment, sustainable material specification and circular construction strategies.

Nesta’s analysis showing electricity bills rising far more slowly than gas bills strengthens the commercial case for heat pumps and energy-efficient buildings. If the pricing gap continues to narrow, low carbon design will become a more credible mainstream route for homes, especially when combined with fabric-first retrofit, passive cooling and better building lifecycle performance.

The case for net zero carbon buildings increasingly rests on life cycle cost, not only carbon targets, with whole life carbon assessment becoming essential to decisions on heating, insulation, ventilation and low embodied carbon materials.

Commercial property owners face sharper pressure to convert compliance into investment. ESOS Phase 4 is being positioned as a route to funded decarbonisation plans, giving boards a clearer path towards energy efficiency, electrification, carbon footprint reduction and net zero carbon outcomes. The strongest strategies will connect sustainable building practices with resource efficiency in construction, environmental product declarations (EPDs), circular economy in construction and end-of-life reuse in construction, rather than treating audits as isolated reporting exercises.

Adaptation is becoming inseparable from mitigation. Advice on planting to cool homes reflects the growing importance of green infrastructure, sustainable urban development and eco-design for buildings as overheating risk rises. Sustainable building design now has to join carbon, comfort, resilience and cost, using low carbon construction materials, green building materials and renewable building materials where appropriate. The market is moving towards net zero whole life carbon, supported by sustainable design, BREEAM, BREEAM v7 and life cycle thinking in construction, with the next phase of green construction defined by measurable performance rather than aspiration.

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