Climate change and human activities are causing significant disruptions to Earth's natural systems, including the global ...

The water cycle ensures the continuous availability of fresh water, which is vital for the survival of all living organisms.

In these systems of inputs ... One biogeochemical cycle that is often overlooked, however, is Earth's iron (Fe) cycle (Figure 1). Numerous iron-containing minerals exist on Earth (Table 1 ...

NASA scientists have uncovered significant human-driven changes in the global water cycle over the past two decades.

In a recently published paper, NASA scientists use nearly 20 years of observations to show that the global water cycle is ...

Earth system models (ESMs ... Comparing the land carbon cycle model component of an ESM with observations could involve three types of test. First, a process, such as the response of organic ...

The reversal could actually have a beneficial effect on Earth. The sun is on the verge ... which marks an important stage in the solar cycle. The shift in polarity marks the point at which the ...

A collection of down-to-Earth facts about our planet and its place in the solar system. This collection ... causing the day and night cycle. As well as rotating, the Earth has a tilt in its ...

Water never leaves the Earth and its atmosphere. It simply moves around in what is called the water cycle. The water cycle is the continuous journey of water from oceans and lakes, to clouds ...