A Global food security, defined by the United Nations as the state where all people, at all times, have physical and economic access to sufficient, safe, and nutritious food, is facing an unprecedented challenge. While factors like economic instability and conflict have long played a role, the escalating effects of climate change are now recognised as a primary and growing threat to the world’s ability to feed its population. This passage will focus specifically on how changing climatic conditions are affecting the production of staple crops, which form the foundation of diets for billions of people worldwide. B Staple crops are foods that are eaten regularly and in such quantities that they constitute a dominant portion of a standard diet. Globally, three crops in particular – rice, wheat, and maize (corn) – are often referred to as the “Big Three”. Together, they provide over half of all calories consumed by human beings. Their importance cannot be overstated; entire economies and cultures are built around their cultivation and trade. Consequently, any significant disruption to the production of these crops sends shockwaves through the global food system, affecting availability…
Power IELTS — power-ielts.com