Low growth, rising population, drought and floods have contributed to worsening food insecurity in the region.
Forecasts of rain expected to bring some respite but risk of landslides and water pollution grows, officials say. Meanwhile, a top climatologist says Australia could become so dry that its residents could become "climate refugees."
There will be no interest payable over the first two years of the loan, the government said. Farmers across Australia's east coast have been battling drought conditions for more than three years.
One of India's most unique and fragile ecological systems is buckling under the pressure of climate change forcing people to abandon centuries-old traditions.
Australia's Bureau of Meteorology (BOM) says the drought is being driven, in part, by warmer sea-surface temperatures impacting rainfall patterns. Air temperatures have also warmed over the past century, increasing the ferocity of droughts and fires.
Yemen, the Democratic Republic of Congo, Afghanistan and Syria among the eight nations accounting for two-thirds of the total number of people worldwide exposed to the risk of famine, report says.
While hunger-related deaths and health complications are on the rise, the government is unable to avert the crisis and aid organisations are asking for help.
Twenty warmest years "all in the last 22," scientists say in a UN report, with weather extremes in 2018 including wildfires in California and Greece, drought in South Africa and floods in Kerala, India.
Local officials blame the mass deaths on drought but critics say the issue at least partly stems from water mismanagement.
Farmers in Australia's eastern states are struggling with extreme aridity that has turned green pastures into dust, with the economies of local towns also suffering.
Heatstroke kills three people in Spain as the most severe heatwave grips the continent with temperatures touching a scorching 45 degrees Celsius in some areas.
Kenyan water resource regulator said on Friday that the dam that burst on a commercial farm in the Rift Valley killing dozens of people was built illegally. The government orders all the other illegal dams to be drained as a precaution.
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