A swimmer walked on a snow-covered beach near Athens, Greece, Feb. 18. A rare winter storm left Greece blanketed in snow overnight, cutting off roads and access to villages and disrupting transport across the country. Problems with power and water supplies were also reported. Yiorgos Karahalis/Reuters
Children played in the water in the outskirts of flooded Trinidad, Bolivia, northeast of La Paz. Flooding in Boliva has forced thousands of people from their homes and has destroyed crops and roadways. The La Nina phenomenon has been blamed for the unusually heavy rainfall. David Mercado/Reuters
Dead trees and cracked earth mark a farm near Kerang, north of Melbourne, Australia in this August 2007 file photo. Rain is finally falling in Australia and beginning to relieve country's worst drought in 100 years. National Climate Centre climatologist Blair Trewin said, 'As to whether we get the sustained heavy rains need to make a long-term difference is still a very open question.' Reuters
A firefighter pulled a hose through a forest fire in Placilla, Chile, on March 4. Chile is in the midst of a severe drought caused by the phenomenon known as La Nina. More than 2500 hectares (6177 acres) of land have been burned by multiple fires near Valparaiso. There are no reported deaths or injuries. Ivan Alvarado/Reuters
Paramilitary policemen cleared snow on a road in Tiantai county, Zhejiang province, China on Feb. 18. China faced its worst winter in twenty years according to the BBC, leaving hundreds of thousands of people stranded at airports and train stations during the busiest travel season and Chinese New Year celebrations. Reuters
Plastic eggs hung in a tree in Urbana, Ohio. Freezing rain overnight on March 5 caused the icicles to form. Snow, ice and flooding closed roads and schools across Ohio and left thousands of people without electricity. Bill Lackey/Springfield News-Sun/AP
An old bridge at the Barrios de Luna reservoir in the northern Spanish province of Leon is reflected in a pool of water. Spain is suffering its worst drought in more than a decade. The Spanish government is hoping to pre-empt a larger crisis in the summer by importing water. Eloy Alonso/Reuters
A man removed snow from a palm tree in Zurich, Switzerland on March 5. Late season snow has surprised many parts of Europe. Alessandro Della Bella/Keystone/AP
Residents moved through a flooded street in Tumbes, Peru on March 6. The Peruvian government declared a state of emergency in Peru's northern regions due to heavy rain. The rains are attributed to La Nina, a phenomenon characterized by unusually cool sea-surface temperatures in the Pacific Ocean. Jenner Sernaque/AP
Boats are docked at Aqualand Marina and the lake bed is exposed on Lake Lanier in Flowery Branch, Ga. in this Nov. 11, 2007 file photo. Although winter rains have helped to ease the drought that started in March 2006, drought conditions are likely to persist in the southeast United States. John Bazemore/AP
Women walked through the snow in front of the sixth century Byzantine monument of Hagia Sofia in Istanbul, Turkey on Feb. 17. Daily life in the Turkish metropolis stalled by subzero temperatures and snow. Fatih Saribas/Reuters
Aid organizations working in Liberia, Sierra Leone, Guinea have had to evacuate staff and suspend wide-ranging projects, while also pitching in for the emergency effort. But not all aid initiatives are on hold.
Back in May, when the Ebola virus first crossed over from Guinea into Sierra Leone, among the first to know were staffers working for a US-based charity on a child malnutrition project in the country’s east.