News tagged with gases

Imaging the chemistry of the global atmosphere

With an airborne, globe-spanning study of the Earth's atmosphere, a Harvard-led team hopes to establish how air pollution from human activities reacts with greenhouse gases. The findings will develop the scientific foundation ...

dateDec 16, 2014 in Earth Sciences
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Reconstructing the African humid period

During the end of the last ice age, there were dramatic changes in rainfall across a vast swath of Africa. As the world's large ice sheets receded in northern and southern latitudes, rainfall in much of Africa increased dramatically, ...

dateDec 05, 2014 in Earth Sciences
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Greenhouse gases linked to African rainfall

Scientists may have solved a long-standing enigma known as the African Humid Period - an intense increase in cumulative rainfall in parts of Africa that began after a long dry spell following the end of the last ice age and ...

dateDec 04, 2014 in Earth Sciences
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