2. Read the text and complete the gaps with words derived from the 5. If words in capitals. 6. If A number of studies suggest that 1...... is consuming the Earth's 7. I resources at an 2...... fast rate. Even so, the issue of population is hardly ever discussed at 3...... summits or raised by green lobby groups. Professor Rapley, Director of the British Antarctic Survey, acknowledges it is a 4...... question, invoking the spectre of 5...... population control and even eugenics. He does not make 6....... about 1. how the current 7...... trend, from the current six billion towards eight or nine billion by 2050, can be reversed. But, he says 8...... is one of a number of issues leading to environmental 4. 9....... of various forms, and needs a higher priority than it 10...... receives. (BBC News 2005) 8. I 9. P 10. V 7. T 2. M 3. I 5. 1. HUMAN 2. SUSTAIN 3. ENVIRONMENT 4. THORN 5. FORCE 8. 6. SUGGEST 7. UP 8. POPULATE 9. DEGRADE 10. CURRENT ​