Tags Climate

Tag: climate

Last remnant of North American ice sheet on track to vanish

The last piece of the ice sheet that once blanketed much of North America is doomed to disappear in the next several centuries, says...

Ice age thermostat prevented extreme climate cooling

During the ice ages, an unidentified regulatory mechanism prevented atmospheric CO2 concentrations from falling below a level that could have led to runaway cooling,...

Early Earth had a hazy, methane-filled atmosphere

More than 2.4 billion years ago, Earth's atmosphere was inhospitable, filled with toxic gases that drove wildly fluctuating surface temperatures. Understanding how today's world...

Rapid decline of Arctic sea ice a combination of climate change...

Arctic sea ice in recent decades has declined even faster than predicted by most models of climate change. Many scientists have suspected that the...

Study opens new questions on how the atmosphere and oceans formed

A new study led by The Australian National University (ANU) has found seawater cycles throughout Earth's interior down to 2,900km, much deeper than previously...

Climate change responsible for the great diversity in horses

Changing environments and ecosystems were driving the evolution of horses over the past 20 million years. This is the main conclusion of a new...

Shifting monsoon altered early cultures in China, study says

The annual summer monsoon that drops rain onto East Asia, an area with about a billion people, has shifted dramatically in the distant past,...

Deep groundwater aquifers respond rapidly to climate variability

Changes in climate can rapidly impact even the deepest freshwater aquifers according to Penn State and Columbia University hydrologists. The researchers found that responses to...

Study shows planet’s atmospheric oxygen rose through glaciers

A University of Wyoming researcher contributed to a paper that determined a "Snowball Earth" event actually took place 100 million years earlier than previously...

Low level of oxygen in Earth’s middle ages delayed evolution for...

A low level of atmospheric oxygen in Earth's middle ages held back evolution for 2 billion years, raising fresh questions about the origins of...

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