Allergies: Mugwort pollen as main source of airborne endotoxins

Bacteria engineered to create fertilizer out of thin air

Using 'shade balls' in reservoirs may use up more water than they save

Particulate matter increases drought vulnerability of trees

New tool to calculate 'nitrogen footprint' offers guide to pollution reduction

Better methods improve measurements of recreational water quality

New study reveals Ulsan, South Korea, is exposed to yearlong toxic fine dust

South Korea's polluted river basin

Living in greener neighborhoods is associated with slower cognitive decline in elderly

Different strategy of cycling teams in escape attempts