"On average, certified homes use 20 to 30 percent less energy than non-green homes, with some homes saving up to 60 percent." ...

Ulaanbaatar, the capital of Mongolia, holds the title of the world’s coldest capital city, with winter temperatures ...

The AQI in Bangladesh is based on five pollutants: particulate matter (PM10 and PM2.5), NO2, CO, SO2, and ozone ...

Bangkok was the fourth most polluted city in the world - seeing over 350 schools closed to protect the health of children.

Over 6,000 cities in 117 countries now monitor air quality, and many weather mobile apps include air quality information ...

Light pollution is increasing globally, and having a negative impact on wildlife and humans. But the solutions are ...

Congestion pricing charges most drivers $9 to enter the core of Manhattan, which has some of the most traffic-choked streets in the world ... City, traffic accounts for just 14 percent of air ...

The air quality in several Bulgarian cities ... In some locations, pollution levels are nearly three times higher than the annual recommended value set by the World Health Organization.

Barring a freak power outage, the light emanating from towns and cities due to ... battle against light pollution. “We are probably the only Dark Sky community in the world that has no ...