Earth

Earth

How to rate a snowstorm

Scientists have developed a rating scale to assess the impact of major snowstorms that strike the northeastern United States.

Earth

Global warming may already be a killer

Earth's rising temperatures may be a precipitating factor in the extinctions of dozens of tropical frog species.

Earth

Wind Makes Food Retailers Greener

Green grocers are among food companies turning ever greener owing to huge investments in wind power.

Earth

Prions’ dirty little secret

The malformed proteins responsible for mad cow disease bind tightly to clay, a finding that points to farm soil as a potential long-term reservoir for these infective agents.

Earth

Cold and Deep: Antarctica’s Lake Vostok has two big neighbors

Trapped beneath Antarctica's kilometers-thick ice sheet are two immense bodies of water that may harbor ecosystems that have been isolated for millions of years.

Earth

2005 was warmest year on record

Last year's global average temperature was the warmest since scientists began compiling records in the late 1800s.

Earth

Manganese can make water toxic

Drinking water contaminated with manganese can subtly limit a child's intellectual development.

Earth

Warming climate will slow ocean circulation

Later this century, rising concentrations of greenhouse gases in Earth's atmosphere could slow the ocean currents that bring warm waters to the North Atlantic.

Earth

A Little Less Green?

Emerging data indicate that use of pyrethroid pesticides, even by home owners, poses significant environmental risks.

Earth

Seamount Expedition

Join scientists as they explore the cold waters of the Davidson Seamount off the central California coastline. This huge undersea mountain harbors a variety of spectacular marine life, including large, ancient, and fragile coral gardens. Students and the general public can share the expedition’s discoveries through NOAA’s Ocean Explorer Web site, which features daily logs, […]

Earth

Charting the Past: Surveys map two lost harbors of Phoenicia

By analyzing long tubes of sediment drilled from locations in and around the Mediterranean ports of Tyre and Sidon, scientists have rediscovered the harbors from which legions of ancient Phoenician mariners set sail.

Earth

Sinking Mercury: Light-based reactions destroy toxic chemical in Arctic lakes

Sunlight triggers the entry of poisonous mercury into polar lakes, but it also removes most of the toxic compound before fish can consume it.