The realities of climate change are hitting home for many people living in the Global South. Food security, water access and health have been jeopardized by increased temperatures, extreme weather events and sea level rise. The realities of climate change are hitting home for many people living in the Global South. Food security, water access and health have been jeopardized by increased temperatures, extreme weather events and sea level rise. Environment Phys.org – latest science and technology news stories