Recent reports from the Intergovernmental Panel on Climate Change's "Summary for Policymakers" make for alarming reading about the global warming phenomenon. How bad climate impacts will be beyond the mid-century depends crucially on the world urgently shifting to a development trajectory that is clean, sustainable, and equitable, a notion of equity that includes space for the poor, for future generations and other species.

Celiac disease is an autoimmune disease that affects the villi of the small intestine causing abdominal pain, gas, diarrhea, or bad absorption due to gluten intolerance. The only treatment for this disease consists of a lifelong gluten free diet; this is, celiac people cannot consume products containing gluten, such as wheat, barley, and rye, but they can use rice and corn. Thus, rice flour is mainly used for the manufacturing of the basic products of this population. Unfortunately, rice can contain high contents of total (t-As) and inorganic (i-As) arsenic.

This paper aims to review the major food security issues in Bangladesh, with a brief reference to its past trend in agricultural output, constraints and challenges in the coming decades. Food security relates directly to nutrition and health of a population which consequently influences a nation's socio-economic status.