An unsubstantiated conspiracy theory that claims the US government is...

CNN Climate 10 months ago

An unsubstantiated conspiracy theory that claims the US government is controlling the weather, or its citizens, by spraying dangerous "chemtrails" from airplanes has now made its way into several state legislatures where it could manifest into real-life laws. It's an example of how unproven and off-the-wall theories are bubbling into mainstream discourse under the Trump administration, many of which sow distrust in the government. This effort in particular could prevent actual scientists and engineers from slowing the breakneck pace of global warming, which is inflicting a devastating toll on Americans in the form of extreme weather. Florida's legislature is moving along a bill that would ban geoengineering and weather modification in the state, and an Alabama legislative committee discussed a similar bill last week. Last year, Tennessee lawmakers banned the release of airborne chemicals, which critics called "nonsense." Though debunked many times over the years, chemtrail believers say the white condensation lines left behind by airplanes in the sky are filled with toxic chemicals. But the theory has re-manifested itself in a resurgence over controversy around scientists' efforts for weather modification and geoengineering. And those who believe in the conspiracy now have a platform from the head of the US Department of Health and Human Services. Tap the link in bio for more. 📸 : Stan Grossfeld/The Boston Globe/Getty Images

layersDaily Sustainability Digest

Published about 10 hours ago



Electrification is becoming the decisive force shaping sustainable construction across the UK. The recent cold spell underscored the reliability of heat pumps over gas boilers, boosting confidence in low carbon design and net zero carbon buildings. Developers are responding to new hourly, carbon‑free electricity tariffs that reward adaptability, turning energy-efficient buildings into active participants in decarbonising the built environment. The shift towards verified clean energy aligns with sustainable building design and Whole Life Carbon Assessment methodologies increasingly required by investors and clients seeking credible emissions data.

As whole life carbon and the carbon footprint of construction gain sharper scrutiny, the emphasis is moving from operational performance to full lifecycle assessment. The integration of eco-design for buildings with circular economy principles is driving resource efficiency in construction, while sustainable building practices now extend to end-of-life reuse in construction and circular construction strategies. Firms aligning project delivery with net zero whole life carbon objectives can demonstrate reduced embodied carbon in materials and improved building lifecycle performance supported by environmental product declarations (EPDs).

Across a cooling market for new developments, organisations focusing on sustainable construction and life cycle cost optimisation are better positioned for resilience. The business value of credible low carbon building certification, from BREEAM and BREEAM V7 to other green construction frameworks, is intensifying. Those pivoting towards grid-aware, renewable building materials and sustainable material specification can achieve carbon neutral construction outcomes and strengthen the environmental sustainability in construction sector overall. The direction of travel is unmistakable: sustainable design and circular economy in construction strategies are no longer peripheral—they define the future of the built environment.

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