The collapse of the Hittite Empire in the Late Bronze Age has been blamed on various factors, from war with other territories to internal strife. 

The ground below your feet contains some 2,500 gigatons of carbon, approximately three times the amount of carbon held in our atmosphere and four times more than is stored in every living thing – trees, ants, whales, and humans included – on our planet.

Smart electronic soil sensors could enable farmers to deliver tailored doses of water to their crops, maximizing food production while saving water.

Abrupt weather extremes, changing climate and frequent natural hazards such as floods and droughts create challenges for our nation’s aging reservoir systems.

The atmospheric level of carbon dioxide — a gas that is great at trapping heat, contributing to climate change — is almost double what it was prior to the Industrial Revolution, yet it only constitutes 0.0415% of the air we breathe.

Although more than half the world’s countries have committed to protecting at least 30% of land and oceans by 2030 in support of biodiversity, various questions emerge: Where and what type of land should be protected?

The new year started off on a very warm note across the U.S., with the nation seeing its sixth-warmest January on record, according to scientists from NOAA’s National Centers for Environmental Information (NCEI).

A study of adolescents aged 11-16 in London has found long-term exposure to PM2.5 is associated with higher blood pressure, with stronger associations seen in girls.

Ongoing climate change driven by greenhouse gas emissions is often discussed in terms of global average warming. 

Hydrogen fuel could be a more viable alternative to traditional fossil fuels, according to University of Surrey researchers who have found that a type of metal-free catalysts could contribute to the development of cost-effective and sustainable hydrogen production technologies.