By the early 1900s, scientists had identified major layers of the atmosphere based on how the temperature changed at different levels above the sea. Thanks to these studies, we now know the five ...

Fossils Life processes can change the composition of the atmosphere. Fossils can tell scientists what living things were around at different times in Earth’s history. Evidence of early plants ...

A significant space weather phenomenon that has attracted much interest from the scientific community, industry, and the ...

Fossils Life processes can change the composition of the atmosphere. Fossils can tell scientists what living things were around at different times in Earth’s history. Evidence of early plants ...

The type of cloud that is formed will determine what level the cloud is in the atmosphere. The various cloud types have different characteristics that are dictated by the elements available ...

Human activities have been the main cause of rising carbon dioxide levels in our atmosphere since the 1800s. The emergence of life on our planet added a new layer to the carbon cycle. As plants grow, ...

Greenhouse gas levels surged to a new record last year ... Carbon dioxide (CO2) is accumulating in the atmosphere faster than any time experienced during human existence, rising by more than ...

Another concern in the report is the continuing, mysterious rise of methane levels in the atmosphere ... and 2016, is different. This was not expected in the Paris agreement.