A report published in 2013 by the World Bank, with support from the Climate & Development Knowledge Network, found that climate change was likely to hinder future attempts to reduce poverty. The report presented the likely impacts of present day, 2 °C and 4 °C warming on agricultural production, water resources, coastal ecosystems and cities across Sub-Saharan Africa, South Asia and South East Asia. The impacts of a temperature rise of 2 °C included: regular food shortages in Sub-Saharan Africa; shifting rain patterns in South Asia leaving some parts under water and others without enough water for power generation, irrigation or drinking; degradation and loss of reefs in South East Asia, resulting in reduced fish stocks; and coastal communities and cities more vulnerable to increasingly violent storms. In 2016, a UN report claimed that by 2030, an additional 122 million more people could be driven to extreme poverty because of climate change.