2.4 Climate Change and Food Security

2.4.1 Food Security

2.4.2 Video: How to feed the world in 2050: actions in a changing climate

To achieve food security in a changing climate, the global community must operate within three limits: the quantity of food that can be produced under a given climate; the quantity needed by a growing and changing population; and the effect of food production on the climate.  

2.4.3 Video: Plant Productivity in a Warming World

Warmer global temperatures and higher levels of precipitation are generally good for plant productivity, but as temperatures have continued to rise, the benefits to plants are now overwhelmed by longer and more frequent droughts.