International space missions have found ice on the moon and more evidence of ice on Mars -- good news for future settlements and also for scientists looking for extraterrestrial life.

Four reports published in Friday's issue of the journal Science show clear evidence of water, likely frozen, on the desert surfaces of both the Moon and Mars.

Washington: Scientists are now seeing signals that the Sahara desert and surrounding regions are greening due to increasing rainfall, all thanks to the rising temperatures due to climate change.

According to National Geographic News, these rains could revitalize drought-ravaged regions, reclaiming them for farming communities.

As the United States takes its first steps toward mandating that power companies generate more electricity from renewable sources, China already has a similar requirement and is investing billions to remake itself into a green energy superpower.

Solar power plants in deserts using mirrors to concentrate the sun's rays have the potential to generate up to a quarter of the world's electricity by 2050, a report by pro-solar groups said on Monday.

Pakistan Council of Research in Water Resources (PCRWR) has successfully established a network of water resources in Cholistan desert by constructing around 100 specially designed reservoirs.

Helped by cooler, damp weather, firefighters gained the upper hand on a wildfire that has destroyed 77 homes since it was ignited -- apparently by power tools -- nearly a week ago.