04/16/2009

Severity, length of Past Megadroughts Dwarf Recent Drought in West Africa: Droughts far worse than the infamous Sahel drought of the 1970s and 1980s are within normal climate variation for sub-Saharan West Africa, according to new research. JSG press release »

Atlantic forcing of persistent drought in West Africa, Science 17 April 2009: Vol. 342. no 5929, pp. 377-380.DOI: 10.1126/science.1166352 Read more »

Read Andrew Revkin's April 16 New York Times report - "Study Finds Pattern of Severe Droughts in Africa"

Scientists Discover Concealed Glaciers on Mars at Mid-Latitudes: Vast Martian glaciers of water ice under protective blankets of rocky debris persist today at much lower latitudes than any ice previously identified on Mars, says new research using ground-penetrating radar on NASA's Mars Reconaissance Orbiter. JSG Press Release »

Radar sounding evidence for buried glaciers in the southern mid-latitudes of Mars, Science 21 November 2008: Vol. 322. no. 5905, pp. 1235 - 1238 DOI: 10.1126/science.1164246 Read more »