Acting sooner could save you more money. Homeowners can receive over $2,200 in government incentives for super-efficient ...

Wastewater heat-recovery systems are gaining momentum, as cities and building managers look to capture the energy from hot ...

Soaking herbs before using them boosts potency and absorption—discover the ancient trick herbalists swear by for better ...

K2-18b, a potentially habitable exoplanet 124 lightyears away, may contain biomarker DMS, but its habitability remains uncertain.

The World Bank’s report redefines coal mine closure as a strategic opportunity for environmental restoration, methane management, and economic repurposing. It urges global adoption of rigorous ...

The Citizen invited Ottawa candidates from the four main parties to write a short article explaining what they will do for ...

A new project at a huge wastewater treatment plant in Duluth creates heat and power from the biogas that’s created during ...