Agnes Chan is part of a stealth solar revolution bubbling up in the US. The...

CNN Climate 2 months ago

Agnes Chan is part of a stealth solar revolution bubbling up in the US. The retired teacher has a tiny solar system propped up in her backyard in Berkeley, California, and plugged into a regular outlet. It cost around $2,000, shaves about $50 off her monthly bills, and she's evangelical about it. "I have already recommended it many times," she said. Originally, Chan had wanted a full rooftop solar system, but the $20,000-plus price tag was unaffordable. Plug-in solar offered a cheaper, portable and more flexible option: It was incredibly easy to set up, would help keep her 100-year-old house toasty this winter and would pay for itself in three years. Chan is one of a growing number of Americans turning to plug-in solar — also called "balcony solar" as it's often slung over balconies — to help bring down soaring energy bills. Even as the Trump administration seeks to squash renewable energy, the interest is spurring action in nearly 30 states that are now considering legislation to make these cheap, small systems more accessible. There are hurdles, however. Plug-in solar currently exists in a legal "gray area," said Cora Stryker, co-founder of Bright Saver, a non-profit that advocates for balcony solar. Almost every state requires an agreement with the local utility company, a process that can take months and add costs. That's why people are going stealth and hooking up "guerilla solar" systems without telling their utility, Stryker said. Read more at the link in our bio. 📸: KT Kanazawich/AP; David J. Phillip/AP; Robert Poorten/imageBROKER/Shutterstock

layersDaily Sustainability Digest

Published about 5 hours ago



France’s fossil fuel phase‑out roadmap, targeting coal elimination by 2030 and oil by 2045, marks a decisive step toward decarbonising the built environment and reducing the carbon footprint of construction. The policy’s reach across supply chains demands a new era of sustainable construction, where low carbon building strategies and whole life carbon assessment methodologies define future standards. The emphasis on embodied carbon in materials and the promotion of low embodied carbon materials signal a deeper shift from short‑term emission cuts to comprehensive lifecycle assessment and life cycle thinking in construction, ensuring environmental sustainability in construction at every stage of delivery.

Research institutions are intensifying pressure for actionable government roadmaps. Climate scientists calling for detailed transition plans mirror the growing expectation for sustainable building practices that embrace whole life carbon principles and life cycle cost efficiency. These demands align with the expanding circular economy in construction, which integrates end‑of‑life reuse in construction and circular construction strategies to improve building lifecycle performance and reduce waste.

Brazil’s policy reforms slowing tropical forest loss underscore how renewable building materials, particularly green building materials like certified timber, underpin eco‑design for buildings and reinforce the role of carbon sinks in achieving net zero whole life carbon goals. Yet, climate‑driven wildfire risks expose the fragility of natural resources, amplifying the need for resilient, sustainable material specification and transparent environmental product declarations (EPDs) to support resource efficiency in construction.

The North West’s HyNet hydrogen initiative illustrates applied green infrastructure development, linking energy-efficient buildings with decarbonised industry. These innovations demonstrate that eco-friendly construction and low carbon construction materials are not conceptual but central to a functioning circular economy. Hydrogen‑powered steel and cement production exemplify carbon neutral construction and reinforce that net zero carbon buildings are achievable through technological integration rather than mere aspiration.

China’s forthcoming 15th Five‑Year Plan embeds principles of sustainable building design, digital oversight, and low carbon design in the world’s largest property market. Emphasis on sustainable design and breeam v7‑aligned performance could signal a new international benchmark where sustainability and profitability coexist. The pivot from pilot projects to scalable models demonstrates sustainable urban development led by outcome‑driven engineering, where green construction meets both economic and aesthetic goals.

This global transformation confirms that the environmental impact of construction is being addressed with precision. The focus on whole life carbon management, breeam standards, and carbon footprint reduction strategies positions the sector to evolve into an integrated ecosystem of sustainable architecture and innovation, driving measurable progress toward a truly net zero carbon future.

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