Maryland, and his colleagues produced the first near-global map of ozone sensitivity caused by El Niño and La Niña events. Previous work showed that El Niño events cause a strong change in ozone in the tropics. Olsen's new work uses ...
A roadmap outlining its plans was issued last October for feedback. The Commission plans to assess options for revising the three lists of substances that are: monitored to gather data; subject to maximum concentration limits in water; and subject to stronger measures to stop releases to water....
The increasing frequency of extreme weather events may re-mobilize contaminants in river sediments. Increasing chemical and material load also threatens biodiversity, e.g., by the release of toxic chemicals into air, water and soil up to high amounts of waste. Fertilizers and pesticides are ...