Design an observation chart. Chart any changes in your plants. Give water in increments of a 1/2 cup. Keep track of the amount of water given.

Mauna Loa is indeed an active volcano; it last erupted in 1950, 1975, and 1984. Between eruptions, it emits variable amounts of carbon dioxide (CO 2) and sulfur dioxide (SO 2) from fissures at the ...

Left unperturbed, the fast and slow carbon cycles maintain a relatively steady concentration of carbon in the atmosphere, land, plants, and ocean. But when anything changes the amount of carbon in one ...

Michael Carlowicz was managing editor of NASA’s Earth Observatory from 2010 to 2022. He has written about Earth science and geophysics since 1991 for several NASA divisions, the Woods Hole ...

The cost and benefits of global warming will vary greatly from area to area. For moderate climate change, the balance can be difficult to assess. But the larger the change in climate, the more ...

The White Birch Tree (genus Betula) is deciduous, meaning it loses its leaves annually. They grow fast and live short lives. The White Birch does not like humidity and heat and would prefer to live in ...

The impact of increased surface temperatures is significant in itself. But global warming will have additional, far-reaching effects on the planet. Warming modifies rainfall patterns, amplifies ...

Less than two years after dissecting the head of the great white shark, Steno completed a manuscript on the geology of Tuscany. The locale was a shrewd choice; it celebrated the homeland of his ...

When scientists started to analyze the paleoclimate evidence in the Greenland and Antarctic ice cores, they found that the record also supported Milankovitch’s theory of when ice ages should occur.

Dating back to A.D. 870, intermittent records assembled by the Vikings record the number of weeks per year that ice occurred along the north coast of Iceland. Other, scattered records of Arctic sea ...

Born in Boston, Massachusetts, on March 23, 1923, Joanne Gerould did not have an ideal childhood. Watching her mother struggle through a bad marriage and subsequent divorce gave Simpson a strong drive ...

Among the mysteries of the South American Monsoon, explains Fu, is how the first thunderstorms of the wet season get started. A monsoon is an atmospheric see-saw in which the large-scale circulation ...