Economic Times: Scientists from around the world meet in Vietnam on Tuesday aiming to ensure a steady supply of rice — the staple food for Asia’s poor — against threats that include climate change and urbanisation. “Amidst constant pressure on global food production, worsening poverty, and climate change, the need to find ways to ensure there is enough affordable rice for everyone is critical,” said a statement from the International Rice Congress. The event, held every four years, is the world’s largest…