A worker holds rice at a rice mill during harvest time in Padalarang, Indonesia's West Java province, May 27, 2014. Asia's governments are scrambling to head off the potential impact of a weather phenomenon that in the past has driven food prices to levels that sparked social unrest. They are aiming to reduce the impact of the so-called El Nino, a weather pattern that can bring drought to Australia, Southeast Asia and India. REUTERS/Beawiharta (INDONESIA - Tags: AGRICULTURE ENVIRONMENT BUSINESS EMPLOYMENT) 

Australian farmer Bill Finlayson and his daughter sit atop their horses as
they look out across the remains of a sheep on his drought-stricken property
near the township of Brewarrina, 800 km (497 miles) north-west of Sydney.
One of the worst Australian droughts in 100 years has wiped out more than
half the country's winter export crops which would have produced a large
amount of Asia's bread-making wheat, beer-making barley and canola cooking
oil. Picture taken September 26, 2002. Pictures of the Year 2003
REUTERS/David Gray

DG/YN 

A farmer holds a bundle of paddy seeds at a rice field in Cianjur, West Java province June 12, 2014. Indonesia could more than double its rice imports this year to keep domestic food prices stable as an election looms and with a possible El Nino weather pattern on the horizon, industry officials and analysts said. REUTERS/Beawiharta (INDONESIA - Tags: ENVIRONMENT BUSINESS AGRICULTURE COMMODITIES) 

Office workers walk past a mural of a drought scene in the business district of Melbourne July 1, 2008. Australia's government was warned on Tuesday against softening a planned emissions trade system expected to hit big corporates and households, with Greens senators saying minor lawmakers could ensure it was still-born.
The emissions trade system will begin in 2010 and bring the biggest upheaval to Australia's energy-reliant economy in a generation, with big miners in particular facing rising costs.
REUTERS/Mick Tsikas (AUSTRALIA) 

Peasants try to lift a horse dying from hunger at the El Rosario farm in San Francisco Libre town August 19, 2014.
According to a recent report by the Famine Early Warning Systems Network (FEWS NET), run by the U.S. Agency for International Development (USAID), low rainfall linked to the El Nino weather phenomenon has led to drought in parts of Central America, causing widespread damage to crops, shortages and rising prices of food, and worsening hunger among the region's poor. REUTERS/Oswaldo Rivas (NICARAGUA - Tags: DISASTER ANIMALS ENVIRONMENT TPX IMAGES OF THE DAY) 

Roads can be seen intersecting drought-affected farming areas located in south-eastern Australia March 21, 2015. A report titled 'Thirsty Country: Climate change and drought in Australia' by the Australian research body the Climate Council, has argued in its latest paper that the probability of drought will increase, and it will become more severe, because of climate change. The crowdfunded body claimed that since the mid-1990s rainfall in southeast Australia had declined between 15 and 20 per cent, and due to a warming climate, rain across southern Australia had "shifted" further south increasing the risk of drought in south-east and south-west Australia. Picture taken March 21, 2015. REUTERS/David Gray TPX IMAGES OF THE DAY

A boy flies his kite on dry and cracked farmland in San Juan town, Batangas province, south of Manila April 18, 2010. A mild dry spell brought about by the El Nino phenomenon has damaged the Philippines' agriculture sector and caused power shortages due to low water levels at hydro power plants. REUTERS/Romeo Ranoco (PHILIPPINES - Tags: SOCIETY AGRICULTURE ENVIRONMENT) 

A frog is seen on ground cracked by drought in the Las Canoas Lake, some 59 km (37 miles) north of the capital Managua April 8, 2010. The lack of rain caused by the El Nino meteorological phenomena decreased water level in Las Canoas Lake, located in the center of Nicaragua, affecting approximately eight thousand people who live in the surrounding areas. REUTERS/Oswaldo Rivas (NICARAGUA - Tags: ANIMALS ENVIRONMENT SOCIETY) 

A man fills tanks with water coming from a mountain in Caracas, October 26, 2009. Venezuela's President Hugo Chavez, on October 22, 2009, called for water conservation, saying low rainfall caused by the El Nino weather phenomenon meant water levels were critically low in the El Guri reservoir, one of the world's largest dams. REUTERS/Jorge Silva (VENEZUELA ENVIRONMENT ENERGY) 

A village woman carries firewood as others rest under a tree after they migrated due to shortage of water on the outskirts of Sami town in the western Indian state of Gujarat August 6, 2012. Armed with the latest monsoon rainfall data, weather experts finally conceded this month that India is facing a drought, confirming what millions of livestock farmers around the country had known for weeks. Picture taken August 6, 2012. To match feature INDIA-DROUGHT/ REUTERS/Ahmad Masood (INDIA - Tags: ENVIRONMENT SOCIETY AGRICULTURE BUSINESS) 

A village woman carries a container filled with drinking water supplied by the government-run water tanker at Charanka village in the western Indian state of Gujarat August 5, 2012. Armed with the latest monsoon rainfall data, weather experts finally conceded this month that India is facing a drought, confirming what millions of livestock farmers around the country had known for weeks. Picture taken August 5, 2012. To match feature INDIA-DROUGHT/ REUTERS/Ahmad Masood (INDIA - Tags: ENVIRONMENT SOCIETY AGRICULTURE BUSINESS) 

Kashmiri farmers thrash paddy crop in Srinagar October 22, 2013. India looks set for bumper harvests of winter crops such as wheat, chickpeas and rapeseed in the wake of a strong monsoon that has left the soil moist and topped up reservoirs. The crops will follow bountiful summer harvests of rice and soybeans due to the rains, with New Delhi looking to boost agricultural growth to cool double-digit food inflation and revive a slowing economy as manufacturing struggles. Picture taken October 22, 2013. REUTERS/Danish Ismail (INDIAN-ADMINISTERED KASHMIR) 

A man lies on a boat in the flooded area of Villa Monasterios outskirts of Trinidad, Beni, some 400 km (248 miles) northeast of La Paz, February 25, 2007. The most devastating floods to hit Bolivia in 25 years have killed at least 35 people, destroyed thousands of homes, and mangled crops and roads throughout much of the South American nation. Most of the sparsely populated Beni province, which is roughly the size of the United Kingdom, is under water. REUTERS/David Mercado (BOLIVIA) 

People try to gain the attention of rescuers from the makeshift camps on the roof of their houses after floods in Higuerote, about 100 km (60 miles) east of Caracas December 5, 2010. At least 32 people have died and 70,000 forced out of their homes in recent days, especially on the coast where mudslides have toppled houses in hillside slums. REUTERS/Carlos Garcia Rawlins (VENEZUELA - Tags: DISASTER ENVIRONMENT) 

An aerial view shows horses at a flooded area in Bogota November 19, 2010. Heavy rains around Colombia have killed 136 people and left 1,190,000 people homeless so far this year, authorities said.
REUTERS / Fredy Builes (COLOMBIA - Tags: DISASTER ENVIRONMENT ANIMALS) FOR BEST QUALITY IMAGE: ALSO SEE GM1E6C60YB501. 

Evacuated homes are seen in the flooded Longa river in Esperantina, in the northeastern Brazilian state of Piaui May 7, 2009. According to Brazilian Civil Defense, floods and mudslides from months of heavy rains in northern Brazil have driven more than 214,000 from their homes and killed at least 33 people. REUTERS/Paulo Whitaker (BRAZIL ENVIRONMENT DISASTER IMAGES OF THE DAY) 

Workers harvest soybeans at a farm in Tangara da Serra, Mato Grosso state in western Brazil, March 5, 2009. Brazil's 2008/9 soybean production is estimated to be 57.2 million tonnes. REUTERS/Paulo Whitaker (BRAZIL) FOR BEST QUALITY IMAGE: ALSO SEE GM1E5870VDC01 

A kilogram (2.2 lbs) of raw carrots as photographed in a studio with an illustrative price tag of $19.05 (US dollars), equivalent to the Bs. 120 (bolivars) that it costs on average to purchase in Caracas at the official exchange rate of 6.3 bolivars per dollar, in Caracas September 29, 2014. Venezuela's economic crisis has led to some shocking and surreal price distortions that hit people's buying power dramatically. While the government of President Nicolas Maduro calls the country's minimum wage of Bs. 4,252 the highest in the region when converted to $675 using the official exchange rate, the galloping black market for currency considers it as just $42.50 when converted at the street rate of Bs. 100 per US dollar, the rate which many importers and retail outlets must use to acquire hard currency. Venezuela's annual inflation rate of more than 63 percent is the highest in the Americas, according to official statistics. Picture taken September 29, 2014. REUTERS/Carlos Garcia Rawlins (VENEZUELA - Tags: BUSINESS POLITICS FOOD TPX IMAGES OF THE DAY)

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EL NINO/COMMODITIES - Update. Diagram explaining the El Nino weather pattern which looks increasingly likely to return this year. Includes historical chart showing intensity of El Nino or La Nina episodes. (SIN02)