drought

As trees are lost to deforestation, fire, and heat stress, the forest releases less moisture into the atmosphere, he explains, reducing rainfall and intensifying drought.

Authorities in Iran have sprayed clouds with chemicals to induce rain, in an attempt to combat the country's worst drought in decades.

Beef prices have skyrocketed, with inventory of the U.S. cattle herd at the lowest in 75 years due to the toll of drought and parasites.

Iranian authorities have launched cloud seeding operations to induce rainfall as the country faces its worst drought in decades, state media reported.

Scientists and farmers have long known that rice yields fall during droughts.