Pesticides used in forestry may threaten species in downstream rivers and estuaries, but little is known about the extent to which this occurs.

The Deepwater Horizon disaster began on April 20, 2010 with an explosion on a BP-operated oil drilling rig in the Gulf of Mexico that killed 11 workers.

As the frequency and size of wildfires continues to increase worldwide, new research from Carnegie Mellon University scientists shows how the chemical aging of the particles emitted by these fires can lead to more extensive cloud formation and intense storm development in the atmosphere. 

Up, up, and … back down! On Jan. 27, scientists on an island in Indonesia launched a weather balloon carrying an ozonesonde – an instrument that measures ozone throughout the layers of Earth’s atmosphere.

NASA researchers have found a small but unexpected decrease in air pollution over some parts of Africa despite growing use of fossil fuels in many countries due to development and economic growth.

Their report, authored by 38 Australian, UK and US scientists from universities and government agencies, is published today in the international journal Global Change Biology.

Alkanes, an important component of fuels for combustion engines and an important class of urban trace gases, react via another reaction pathways than previously thought. 

A new study shows that a widespread decline in abundance of emergent insects – whose immature stages develop in lakes and streams while the adults live on land – can help to explain the alarming decline in abundance and diversity of aerial insectivorous birds (ie preying on flying insects) across the US.

Savannah ecosystems, and regions with extreme wet or dry seasons were found to be the most sensitive to changes in fire frequency.

Researchers have developed a new sensor that could allow practical and low-cost detection of low concentrations of methane gas.