African smoke over the Amazon

The Brazilian rainforest is one of the world's few continental regions with clean air. However, this is only true during the wet season, when the concentration of particulate matter is very low. During the dry season, it's ...

Why mosses are vital for the health of our soil and Earth

Some people see moss growing in their gardens as a problem, but what they may not realize is this ancient ancestor of all plants is bringing lots of benefits to our green spaces, such as protecting against erosion.

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