The Doppler lidar will provide a highly localized ability to track the dispersion of pollutants or hazardous substances in the urban landscape.

Despite our efforts to sort and recycle, less than 9% of plastic gets recycled in the U.S., and most ends up in landfill or the environment.

Water touches virtually every aspect of human society, and all life on earth requires it. Yet, fresh, clean water is becoming increasingly scarce — one in eight people on the planet lack access to clean water. 

The disastrous consequences of climate "tipping points" could be averted if global warming was reversed quickly enough, new research suggests.

Satellites such as the NASA and USGS Landsat 8 can help scientists identify where an algal bloom has formed in lakes or rivers.

In 1836, Philadelphians mostly used whale oil and candles to light their homes and businesses.

Like superheroes capable of seeing through obstacles, environmental regulators may soon wield the power of all-seeing eyes that can identify violators anywhere at any time, according to a new Stanford University-led study.

Even before the pandemic, Stanford’s emissions from campus operations, which include providing electricity, heating and cooling to buildings and running campus shuttles, had fallen by 72% from their peak 2011 levels. 

In a world in which biodiversity is increasingly under threat, and nature itself under siege, the role of human activities in driving ecosystem change has never more been apparent. 

Explosive eruptions from the Caribbean volcano have flung ash and sulfate particles to the stratosphere.