Nutrient runoff from agricultural production is a significant source of water pollution in the U.S., and climate change that produces extreme weather events is likely to exacerbate the problem. 

Solar and wind power may be free, renewable fuels, but they also depend on natural processes that humans cannot control. 

Train accidents could be caused by solar storms switching signalling from red to green according to new research examining the impact of space weather.

The shimmering green, red and purple curtains of the northern and southern lights — the auroras — may be the best-known phenomena lighting up the nighttime sky, but the most mysterious are the mauve and white streaks called Steve and their frequent companion, a glowing green "picket fence."

A challenge among three housemates to identify species around their inner-Brisbane home has resulted in an academic research paper, showcasing the rich biodiversity in urban landscapes. 

The largest beaver dam on Earth was discovered via satellite imagery in 2007, and since then only one person has trekked into the Canadian wild to see it. 

Fluctuating sunlight poses a challenge for plants and green algae, which must quickly adjust their photosynthetic systems to remain efficient in changing conditions.

Ocean acidification, mammal respiration, and aerosol formation all depend on chemistry that occurs at air-water interfaces.

Steel and cement are two materials that no society can do without.

Natural gas is one of the largest contributors to the world’s energy and a viable fuel for many different uses.