Energy Efficiency

Flat rooftops and high-rise buildings under a clear, hazy, sunlit sky.

October 29, 2026

Radiative-Cooling Paint Could Cut Building Heat — What the Technology Can Actually Do

Lara Williams’s Bloomberg Opinion report highlights radiative-cooling coatings. Here is how reflectance and thermal emission can lower surface heat—and their limits.

A household air dehumidifier unit with a European plug, illustrating the condensation technology atmospheric water generators rely on

Energy·Environment·Technology

Atmospheric Water Generators Promise Drinking Water From Air, But Physics Has Limits

Machines that pull drinking water straight from the air sound like a fix for every thirsty region on Earth. Startups and defense agencies have poured money into atmospheric water generators, or AWGs, marketing them as off-grid solutions for deserts, disaster

October 18, 2026

UK Legalises Plug-In Solar Panels From August 27 — 800W Cap, £110 Annual Savings, and What Renters Must Check First

Energy·Technology·UK

From August 27, 2026, residents across England, Wales, and Scotland can legally connect mini solar panels directly into standard household electrical sockets using certified

Orient Electric’s Ecotech Volt Fan Runs 10 Hours On Battery, No Inverter Needed

Sustainability·Technology

Orient Electric has launched the Ecotech Volt, a ceiling fan with a built-in rechargeable battery that keeps running after a power cut. The company

Modern sustainable glass building architecture representing low-carbon construction for carbon-negative concrete article.

Architecture·Design·Sustainability

AIA COTE Top Ten 2026 Winners: From a 90% Energy-Cutting Hall to the World’s First Net-Positive Botanical Garden

On June 10, 2026, the American Institute of Architects announced the winners of its 29th annual COTE Top Ten Award — and the numbers are arresting. Trinity University’s new mass timber Dicke

Rahul Somvanshi

August 16, 2026

Laboratory setup for electrolytic hydrogen production showing electrodes and measurement equipment.

Energy·Hydrogen·Materials·Science

The Furnace Nobody Wanted Could Now Fuel the Future

A University of Birmingham catalyst splits water into hydrogen at 150–500°C using waste heat from steel and cement plants, potentially undercutting green and blue hydrogen on cost.

Karmactive Teamand

Rahul Somvanshi

August 16, 2026

Carbon nanofiber-based direct air capture filter designed for distributed buildings representing advanced engineering design for environmental technology.

Carbon·Pollution·Science

HVAC carbon filter achieves 92.1% efficiency while cutting building energy costs 21.6%

Nanofiber Filter Turns HVAC Systems Into Carbon Capture Devices | KarmActive Nanofiber Filter Turns Building Vents Into Carbon Capture Devices University of Chicago develops filter that captures CO₂ with 92.1% efficiency while

Rahul Somvanshi

December 24, 2025

Large power plant with multiple chimneys and cooling towers releasing steam under a cloudy sky

Energy·News·Politics·Sustainability·USA

Illinois Energy Efficiency: $2.79B Approved For 2026–29—Full Home-Savings Count Inside

Energy Efficiency Illinois Heat Pumps Consumer Bills Illinois Approves 2026–29 Energy Efficiency Portfolios Worth $2.79 Billion Income-qualified programs grow, heat pump adoption expands, and methane furnace rebates wind down for higher‑income customers

Sunita Somvanshi

October 13, 2025

Close-up photograph of two cylindrical batteries standing vertically against a blue background, showing their metal positive terminals.

News·Science·Technology

Ottawa Researchers Introduce Three Key Metrics to Revolutionize Decade-Long Betavoltaic Battery Development

University of Ottawa researchers have developed a new way to measure and compare betavoltaic batteries, potentially bringing us closer to devices that never need recharging. Working with Canadian Nuclear Laboratories (CNL), the

Karmactive Team

August 28, 2025

A Person in stream, gathering samples, surrounded by forest. Photo Source: Kelly Martin/U.S. Forest Service.

Conservation

Environmental Groups Sue Army Corps Over 600+ Fast-Tracked Wetland Permits

The Center for Biological Diversity has filed a lawsuit against the U.S. Army Corps of Engineers, challenging their decision to expedite 700 pending wetland permits across the country. The permits, which would

Govind Tekale

February 23, 2025

Energy

Solar Windows Cut Greenhouse Energy Use by 57%

A breakthrough study from Murdoch University in Perth, Australia shows how special solar windows could change the future of greenhouse farming. These windows do two jobs at once – they generate electricity

Sunita Somvanshi

February 13, 2025

Energy

German Scientists Create 24.6% Efficient CIGS-Perovskite Solar Cell, Breaking New Ground in Solar Tech

A new type of solar cell is making waves in the energy world. Scientists in Germany have created a solar panel that converts 24.6% of sunlight into electricity – marking a significant

Sunita Somvanshi

February 11, 2025

Energy·Science

Methanol Production Advances with PRIME-Fuel Microreactor Leveraging CO2 and Renewable Energy

A transformative initiative in renewable energy innovation is initiated by the PRIME-Fuel project. The new fuel is developed by the University of Houston (UH) and SRI International. The project focuses on creating

Sunita Somvanshi

November 19, 2024

Aviation·Technology

Natilus Horizon Blended Wing Body Aircraft Promises 50% Emission Reduction, 30% Less Fuel, and 40% More Space for Transatlantic Flights

San Diego-based aerospace startup Natilus has developed the Horizon Blended Wing Body (BWB) aircraft, presenting a 200-passenger commercial transport solution that could reduce carbon emissions by 50% on transatlantic routes like New

Sonali Tiwary

November 17, 2024

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