SciDev.Net: The climate change-related risks from extreme events such as floods and heat waves will rise further with global warming, according to the second installment of the latest UN Intergovernmental Panel on Climate Change (IPCC) report. This will aggravate food and water insecurity, especially for some of the poorest communities. The report of the second working group of the IPCCs Fifth Assessment Report (AR5), dealing with impacts, adaptation and vulnerability, and offering new insights into key risks...