Related topics: nitrogen

Salty snow could affect air pollution in the Arctic

In pictures, the Arctic appears pristine and timeless with its barren lands and icy landscape. In reality, the area is rapidly changing. Scientists are working to understand the chemistry behind these changes to better predict ...

How much does that fertilizer REALLY cost?

Humans have more than doubled the amount of reactive nitrogen in the environment since the Industrial Revolution, with adverse consequences that include air and water pollution, biodiversity loss, ozone depletion, water acidification ...

Cleaner air may be driving water quality in Chesapeake Bay

A new study suggests that improvements in air quality over the Potomac watershed, including the Washington, D.C., metro area, may be responsible for recent progress on water quality in the Chesapeake Bay. Scientists from ...

What causes air pollution?

By definition, pollution refers to any matter that is "out of place". In other words, it is what happens when toxins, contaminants, and other harmful products are introduced into an environment, disrupting its normal patterns ...

Pigeon patrol deployed to measure London air pollution

Ten pigeons armed with air pollution detectors on their backs were released into the London sky on Wednesday to monitor pollution in the British capital, organisers of the initiative told AFP.

Nitrogen is a neglected threat to biodiversity

Habitat destruction and the direct exploitation of species often occupy center stage in discussions of biodiversity perils. However, indirect harms, such as that posed by nitrogen pollution, remain underappreciated and poorly ...

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