These days, when I climb into my car and take a deep breath, it often smells like a mix of petunias, damp mulch, coffee and ...

Unlike window a/cs, portable air conditioners roll easily from room to room and are quick to set up, with no labor-intensive mounting and very few tools. Most just require a nearby window and wall ...

Mitigation, or reductions in greenhouse gas emissions, is needed to reduce health risks over the longer term. Emissions come from many sources, including power plants, industrial processes ...

Nitrogen (N₂) is a useful gas for various applications, such as farming, chemical factories, and labs. However, nitrogen does not react very easily and is harml ...