This has been translated into Polish here:

Excuse me!
I did not understand the sentence below:
Some people think that the key to solving these issues is to have more sport and exercise in schools.
The key to solving these issues ( it is a subject, and the key is singular, so you used “is”, right?

Science #13, December 1968: Vol. 162 no. 3859 pp. 1243-1248 DOI: 10.1126/science.162.3859.1243

Hi, my name is Elizabeth (Liz). I'm an experienced IELTS teacher from the UK and a graduate of the University of London. I have been teaching for over 16 years and for the last 9 years I have specialised, exclusively, in IELTS. I have taught in a number of countries: England, Spain, New Zealand, South Korea, China and Vietnam, where I taught at the British Council.


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"The Tragedy of the Commons," Garrett Hardin,Science, 162(1968):1243-1248.

Hello Liz.,
The videos on the three different type of usual essays asked for IELTS writing task 2 are to be purchased linked. I can not afford to it, do you have any other means to be generous enough to share it.


Thank you for your prompt response.

Sudoku is a fun puzzle game once you get the hang of it. At the same time, learning to play Sudoku can be a bit intimidating for beginners. So, if you are a complete beginner, here are a few Sudoku tips that you can use to improve your Sudoku skills.

Yes, you can partly agree. It’s fine.

At the end of a thoughtful article on the future of nuclearwar, J.B. Wiesner and H.F. York concluded that: "Both sidesin the arms race are confronted by the dilemma of steadilyincreasing military power and steadily decreasing nationalsecurity. If the great powerscontinue to look for solutions in the area of science andtechnology only, the result will be to worsen the situation.''

can idioms improve writing bands ?

I would like to focus your attention not on the subject of thearticle (national security in a nuclear world) but on the kind ofconclusion they reached, namely that there is no technicalsolution to the problem. An implicit and almost universalassumption of discussions published in professional andsemipopular scientific journals is that the problem underdiscussion has a technical solution. A technical solution may bedefined as one that requires a change only in the techniques ofthe natural sciences, demanding little or nothing in the way ofchange in human values or ideas of morality.

Hi Liz,Do I need to indent at the first line of each paragraph?

In our day (though not in earlier times) technical solutionsare always welcome. Because of previous failures in prophecy, ittakes courage to assert that a desired technical solution is notpossible. Wiesner and York exhibited this courage; publishing ina science journal, they insisted that the solution to the problemwas not to be found in the natural sciences. They cautiouslyqualified their statement with the phrase, "It is ourconsidered professional judgment...." Whether they wereright or not is not the concern of the present article. Rather,the concern here is with the important concept of a class ofhuman problems which can be called "no technical solutionproblems," and more specifically, with the identificationand discussion of one of these.