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A new study shows that the dozens of much smaller outflow glaciers dotting Greenland's coast together account for three times more loss from the island's ice sheet than the amount coming from their huge relatives. (Ohio State University press release)

A research team has proposed a new link to rainfall and temperature patterns in southeast Africa. (Brown University press release)

An analysis has been completed of the global carbon cycle and climate for a 70,000-year period in the most recent Ice Age, showing a remarkable correlation between carbon dioxide levels and surprisingly abrupt changes in climate. (Oregon State University press release)

Contrary to 40 years of conventional wisdom, a new analysis suggests that old growth forests are usually "carbon sinks" – they continue to absorb carbon dioxide from the atmosphere and mitigate climate change for centuries. (Oregon State University press release)

Typhoon Sinlaku draped the island of Luzon in the Philippines with some of its rain clouds on September 10, 2008.

A massive cloud of dust hovered over Iraq in mid-September 2008.

Between the last week of August and the first week of September 2008, the Atlantic Ocean queued up a series of tropical storms. Ike became a large storm that raked over Cuba and targeted the Texas coast.

NASA and its partners explore a tantalizing link between pollen and some dangerous health conditions.

NASA researchers have identified feasible emission scenarios that could keep carbon dioxide below levels that some scientists have called dangerous for climate.

Arctic sea ice coverage appears to have reached its lowest extent for 2008 and the second-lowest amount recorded since the dawn of the satellite era.

A handful of large fires were burning in Oregon and Northern California as fall approached in September 2008.

Between the last week of August and the first week of September 2008, the Atlantic Ocean queued up a series of tropical storms. Ike became a large storm that raked over Cuba and targeted the Texas coast.

Dust plumes blew over the Persian Gulf in early December 2008.

In late August and early September 2008, widespread fires in Mozambique, Zimbabwe, and South Africa poured smoke out of the Indian Ocean.

Between the last week of August and the first week of September 2008, the Atlantic Ocean queued up a series of tropical storms. Ike became a large storm that raked over Cuba and targeted the Texas coast.

Between the last week of August and the first week of September 2008, the Atlantic Ocean queued up a series of tropical storms. Ike became a large storm that raked over Cuba and targeted the Texas coast.

On September 5, 2008, a dust storm formed over Afghanistan, Iran, and Pakistan. The storm expanded in the next few days.

On August 28, 2008, the eighth named storm of the 2008 Atlantic hurricane season got underway in the Caribbean Sea. Hanna made landfall on the East Coast as a tropical storm on September 6.

Between the last week of August and the first week of September 2008, the Atlantic Ocean queued up a series of tropical storms. Ike became a large storm that raked over Cuba and targeted the Texas coast.

On August 28, 2008, the eighth named storm of the 2008 Atlantic hurricane season got underway in the Caribbean Sea. Hanna made landfall on the East Coast as a tropical storm on September 6.

Dust plumes blew over Iraq and neighboring countries in early September 2008.

Between the last week of August and the first week of September 2008, the Atlantic Ocean queued up a series of tropical storms. Ike was a dangerous Category 4 storm on September 7 as it approached Cuba.

Typhoon Sinlaku draped the island of Luzon in the Philippines with some of its rain clouds on September 10, 2008.

On August 28, 2008, the eighth named storm of the 2008 Atlantic hurricane season got underway in the Caribbean Sea. Hanna made landfall on the East Coast as a tropical storm on September 6.