Population growth
1) Fill in the gaps while you are listening:
1. …… …………………….. ………………….. on the planet at the moment.
2. there could be ………………… billion people by the year …………. .
3. ………………………. ………………. is going to change the way our planet works.
4. Roger Harrabin compares the population growth with ……………….. ………………….
5. he says that engineers need to start work now to find …………………. ………………….. to provide enough food.
6. Tim Fox says that ………. % of food is wasted in newly developing countries.
7. Dr Tim Fox mentions two technological improvements: …………………………….. and ………………………
8. Dr Tim Fox confirms that in …………………………. countries the system of refrigeration and transportation has been optimised
2) Match the words with their definitions :
consumption the total number of people living in a particular country or region
explosion a thousand million (in some parts of the world a million million)
refrigeration experts have made approximate calculations of how much
something is likely to be or cost
optimised an expected outcome
billion here, a large, sudden increase
technological solution a difficult or demanding task that will shape or characterise
related events
defining challenge the use of technology to solve a problem or find an answer
it’s estimated keeping something at a constant, cold temperature
transportation moving things or people from one place to another
projection to have made something become as best as it can be
population here, eating or drinking something
