Arid and semi-arid lands represent 41% of the Earth’s surface, and the proportion is growing. These regions are more vulnerable to global warming than humid areas. If the CO 2 emission rate ...

and new research suggests life could indeed exist in the arid expanses of the Red Planet. Researchers from Washington State University have been closely studying the presence of microbial life in ...

One woman powers on the electric machine, and it bursts into life. Its grain-grinding jaws ... considering that they are small-holder farmers from an arid and semi-arid region that perennially ...