The Asian Development Bank is warning of increased hunger and malnutrition among the Pacific region's neediest people if countries do not act quickly to address the threat posed by climate change.

In a new report Tuesday, the ADB says the region is already suffering coastal erosion, floods, drought and storm surges as a result of rising global temperatures. It says the changes are reducing crop production for both commercial and subsistence farmers.

The bank urges Pacific nations to boost production of climate-resistant crops such as taro, yams and cassava. It says the potential impact of climate change should be considered in all national planning, including coastal development and construction of roads, ports and water pipes.

The report is entitled “Food Security and Climate Change in the Pacific: Rethinking the Options.” It calls for increased investment in agricultural research and development as well as training in areas such as plant breeding and resource management.