the big challenge of course is to meet that doubling a food demand against aless land less water and less energy due to the impact of climate change
The big challenge of course is how to meet that doubling of food demand against a background of less land, less water and less energy due to the impact of climate change.
The big challenge of course is to meet that doubling of food demand against a of less land, less water and less energy due to the impact of climate change.