As for the nearest future, it seems rather obscure concerning ecology. Suppose ____ nature resources such as oil, gas, coal and other fossil fuels. What ____ then? If we _____(not possess) these energy sources, the use of electricity, heating and all vital supplies ____ impossible. Why not turning to renewable energy such as solar panels, wind turbines and water mills? Should all the countries ____ the opportunity to pay for this luxury, we ____ them long ago. But the problem is that they cost an arm and a leg and only developed countries can afford it. If the governments ____ towards the transition to new resources, we ____ greatly in the future.

Conditionals insert

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