Both are being exacerbated by climate change, but the threat to civilization caused by drought is more immediate, with one study suggesting that it may have influenced current Middle East unrest.
A special issue of Climatic Change, published this month, places focus on how traditional knowledge from native tribes can help scientists develop better adaptation strategies.
Originally given a 1-in-300 chance of hitting Earth -- 50 percent higher than the average for all other near-Earth objects located to date -- 1950 DA has had its odds reassessed. Fortunately it's not expected to arrive for another 866 years.
Maybe it’s truer and more useful to marvel at how we very nearly destroyed ourselves after discovering an unstable new energy source, then figured our way out of it.
Released today (Sept. 27) after an all-night session, the summary document of the UN panel's forthcoming report declares that the proof of climate change is "unequivocal" and that human activity is "extremely likely" to be at fault.
The newly discovered aquifers contain an estimated 250 billion cubic liters of water and could change the lives of the people living in Turkana, one of the country's driest and poorest regions.
Scientists learned that the leopards share their habitat with a large number of monasteries, which use their influence to limit poaching.
A team of California scientists combined two ingredients commonly used in firefighting into an all-natural temporary spray gel that outperformed other coatings in lab tests.
As part of last year's UN Rio+20 Summit, a group of financial institutions are looking into ways to put monetary value on natural resources and add incentives and penalties for their preservation or destruction.
Leaders from 17 countries recently met in Sumatra to discuss how handheld GPS devices and mapping apps have helped their communities retain lands held for generations.
Studies show that weight gain is happening in the wider animal kingdom as well -- in our pets, yes, but also among some captive and wild animals. No one really knows why.
The road-side exterior wall of a hotel in one flood-prone London district is covered with a 21-foot-high vertical garden that acts as a "350-square-meter green sponge."
Sea anemones, which provide shelter for the clownfish and other fish species, are dealing with the same ecological threats as coral reefs as water temperatures continue to rise.
University of Strathclyde scientists have identified 12 asteroids that could be retrieved using current technology within the next three to eight years...assuming they work very, very carefully.
A new study warns that the rock that landed near Chelyabinsk in February may be part of a larger group of asteroid remnants, all with orbits that could potentially lead them to Earth.