A radical transformation of the world food system is needed to meet the UN sustainable development goals and ensure food security, whilst maintaining the health of the people and the planet. There is an urgent need to accelerate innovation for more sustainable and healthy food systems.

Legumes offer a wide range of benefits in addition to improving food security within many regions of the world.  Grain legumes particularly offer benefits as presented in this chapter.

Meat induces large environmental impact while supplying important nutrients, and meat substitutes are increasingly adopted as direct replacers of meat products.

Food security and sustainability are the most urgent problems in worldwide.

Several studies have indicated that a global reduction in meat consumption is inevitable for sustainability and public health, despite the challenges inherent to changing eating habits.

The availability of food is the basic entity for the survival of human. The resources that make a nation food secured is guided by multiple factors and can be evaluated using a set of indicators.

Cow's milk is considered a staple in many diets due to its high nutritional value. It contains almost every nutrient that the human body needs.

The Learning Circle approach is described as an inclusive and respectful way of engaging community and promoting local and traditional foods, knowledge, and practices among Indigenous youth in rural and remote locations. The flexibility of the model means that communities can prioritize activities of interest to them, identify what success of the initiatives would look like, and tailor evaluation processes accordingly. Indigenous leadership and ownership are essential to the success of such initiatives.

Despite its significant adverse impacts on the environment, society, and economy, food waste is unavoidable around the world. The increase in population and income will worsen the situation and put more pressure on food security.