News tagged with seasonal changes

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 ...

dateApr 14, 2016 in Environment
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Mountain meadows dwindling in the Pacific Northwest

(Phys.org)—Some high mountain meadows in the Pacific Northwest are declining rapidly due to climate change, a study suggests, as reduced snowpacks, longer growing seasons and other factors allow trees to invade these unique ...

dateNov 02, 2012 in Environment
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Going to Earth's core for climate insights

(PhysOrg.com) -- The latest evidence of the dominant role humans play in changing Earth's climate comes not from observations of Earth's ocean, atmosphere or land surface, but from deep within its molten core.

dateMar 10, 2011 in Earth Sciences
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