Pope Leo XIV has called for pressure to be placed on governments to protect the environment as he stressed that damaging the natural world is incompatible with the Christian faith in a speech at a climate conference Wednesday.
“We cannot love God, whom we cannot see, while despising his creatures,” Leo told the conference which was held to mark 10 years since Pope Francis’ landmark document on the environment. “Everyone in society, through non-governmental organizations and advocacy groups, must put pressure on governments to develop and implement more rigorous regulations, procedures and controls.”
The American pontiff’s remarks came in his first major speech on the environment since his election in May. Leo has indicated he wants to continue with his predecessor’s efforts to tackle the climate crisis, opening a new ecological center in the papal summer residence of Castel Gandolfo, about 15 miles outside of Rome, and calling for the conversion of people “inside and outside the church” who don’t recognize “the urgent need to care for our common home.”
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📸: Alessandra Tarantino/AP
Global negotiations at COP30 in Belém have accelerated momentum toward decarbonising the built environment through definitive timelines for ending fossil fuel use. The shift transforms sustainable construction from voluntary ambition into a structural requirement for net zero carbon and net zero whole life carbon outcomes. Policymakers are converging around frameworks that demand whole life carbon assessment and lifecycle assessment to account for embodied carbon across sustainable building design, low carbon construction materials and circular economy in construction principles.
Funding imbalances remain acute. Only a fraction of climate finance supports environmental sustainability in construction and resilient infrastructure, leaving gaps in life cycle cost modelling and resource efficiency in construction. Addressing this shortfall is critical to accelerating carbon footprint reduction and life cycle thinking in construction that ensures buildings can adapt to climatic extremes while achieving carbon neutral construction.
Government proposals linking climate, biodiversity and land use through unified policy instruments indicate an evolution toward circular construction strategies and eco-design for buildings that integrate sustainable material specification and environmental product declarations (EPDs). These measures align with BREEAM and the forthcoming BREEAM v7 standards, reinforcing quantitative accountability in green construction and sustainable building practices.
In the United Kingdom, scrutiny from Parliament’s Environmental Audit Committee challenges the misconception that regulation limits housing delivery. Its evidence underscores that low carbon design and green infrastructure are enablers of innovation, not barriers. It signals a policy turning point toward sustainable urban development and eco-friendly construction anchored in end-of-life reuse in construction and building lifecycle performance metrics.
The trajectory is apparent: whole life carbon accounting, embodied carbon in materials tracking and circular economy integration are reshaping global market expectations. Sustainable design decisions are becoming quantifiable obligations, ensuring every low carbon building advances environmental sustainability in construction and measurable carbon footprint of construction reductions consistent with decarbonising the built environment.
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