After air and water, sand is our most used natural ... I know what you're thinking, and no, we can't use sand from the desert. Wind erosion makes the grains too round for most purposes.

HyveGeo believes it can turn the desert green and remove carbon from the atmosphere – using biochar and microscopic algae.

The Qosh Tepa Canal is intended to open up huge areas for agriculture in northern Afghanistan. The main canal could be ...

Water is nature's most versatile tool ... Such pulsing slowly turns stones in the arid desert to sand. Likewise, constant cycles from wet to dry will crumble clay. Bits of sand are picked up ...

The desert offers a unique hiking experience, thanks to its dramatic rock formations and vast valleys. Trekkers can explore narrow canyons, climb towering cliffs, or simply enjoy the breathtaking ...

There are pockets of water, one of the most ... This caused flooding in the desert for the first time in decades, with the rare sight of lakes amongst the sand dunes.