BETWEEN now and 2050 the planet's population is expected to rise by a third, from 7.6bn to 9.8bn. Those extra mouths will need feeding, and not just with staples.
When we say something is expected to happen, mostly we are saying that something will happen. Staples here has nothing related to the thing that's used to bind books together. It means food, a basic type of food.
As people grow richer, their demand for protein rises, particularly, for meat and fish.
We can use particularly to describe something special, more than usual or more than others, instead of very. And we can also say something is not particularly important or you are not particularly impressed by something.
Rising animals to be eaten already has huge effects on the world's environment.
Something has huge effects on something / Something has a huge effect on something
Family education has huge effects on kids' growth.
They guzzle water - you need about 15,000 litres of the stuff to produce a kilo of beef, compared with only 1,500 litres for a kilo of maize or wheat.
Usually if you guzzle something, you drink it or eat it quickly and greedly. If you say that a vehicle guzzles fuel, you mean that it uses a lot of it in a way that is wasteful and unnecessary.
And here they indicates beef and sheep that people are feeding. When the first time I heard this info, I was shocked by the particularly shocking number that it wastes for grazing these animals. This is also the reason why a friend of mine gave up eating meats and became a vegetarian.
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